Circular No. 33/2011/TT-BCT stipulates the contents, methods, procedures, and formalities for researching electricity loads.

Circular No. 33/2011/TT-BCT stipulates the contents, methods, procedures, and formalities for researching electricity loads for the national power system, regional power systems, and provinces. It applies to Vietnam Electricity Corporation, Power Corporations, System Operation Units, and electricity markets.

Số hiệu33/2011/TT-BCT
Loại văn bảnCircular
Cơ quan ban hànhMinistry of Industry and Trade
Người kýHoàng Quốc Vượng — Thứ trưởng
Cập nhật26/06/2026
NgànhIndustry and Trade
Lĩnh vựcElectricity
Ngày ban hành06/09/2011
Ngày áp dụng21/10/2011
Ngày hết hiệu lực16/11/2017
Tình trạngExpired
✦ Tóm lược thông minh

Circular No. 33/2011/TT-BCT stipulates the contents, methods, procedures, and formalities for researching electricity loads for the national power system, regional power systems, and provinces. It applies to Vietnam Electricity Corporation, Power Corporations, System Operation Units, and electricity markets.

Đối tượng áp dụng

Vietnam Electricity Corporation, Power Corporations, System Operation Units, and electricity markets.

Các điểm cốt lõi

  • The circular includes Vietnam Electricity Corporation, Power Corporations, System Operation Units, and electricity markets.
  • Conducting electricity load research includes designing sampling, collecting and adjusting data, building load profiles, and forecasting load profiles.
  • Analyze and classify non-residential loads into groups, components, voltage levels, geographic regions, and seasons.
  • Calculate the number of sample non-residential loads and create a list of samples.
  • Collect, adjust, and transmit meter data of sample loads to the research load database.
  • Build standardized annual, monthly, actual, and typical day load profiles for each group and component of loads.
  • Forecast load profiles using two methods: Top-down and Bottom-up.
  • Report on the analysis and construction of quarterly and annual load profiles.
  • Units have the right to request exemption from implementing the circular in cases of technical infrastructure difficulties or capacity limitations.
  • The authority to review and approve exemptions lies with the Electricity Regulatory Authority.

🌐 Tác động xã hội từ văn bản này

  • Establish a research load database to improve the accuracy of electricity demand forecasts, thereby developing a reasonable electricity pricing structure.
  • Reduce the risk of power shortages and system overload through effective adjustment of production and distribution of electricity.
  • Save costs for the power industry through optimization of resource utilization.

❓ Câu hỏi thường gặp

To whom does this circular apply?

This circular applies to Vietnam Electricity Corporation, Power Corporations, and System Operation Units and electricity markets.

What steps does the process of researching electricity loads include?

The process includes designing sampling, collecting and adjusting data, building load profiles, and forecasting load profiles.

When can units request exemption from implementing the circular?

Request exemption in cases of technical infrastructure difficulties or capacity limitations.

What is the deadline for submitting exemption application files?

Files must be submitted before September 15th each year.

Does the Electricity Regulatory Authority have the authority to review and approve exemptions from implementing the circular?

Yes, the Electricity Regulatory Authority has the authority to review and approve exemption cases.

Toàn văn

CIRCULAR

Provisions on the content, methods, procedures, and processes for researching electrical load

_____________________

 

Pursuant to Decree No. 189/2007/ND-CP dated December 27, 2007, issued by the Government, detailing the functions, tasks, powers, and organizational structure of the Ministry of Industry and Trade;

Based on Decree No. 44/2011/NĐ-CP dated June 14, 2011 of the Government amending and supplementing Article 3 of Decree No. 189/2007/NĐ-CP dated December 27, 2007 of the Government stipulating the functions, tasks, powers, and organizational structure of the Ministry of Industry and Trade;

Pursuant to the Electricity Law dated December 3, 2004;

Based on Decree No. 105/2005/NĐ-CP dated August 17, 2005 of the Government detailing and guiding the implementation of certain provisions of the Electricity Law;

The Minister of Industry and Trade stipulates the content, methods, procedures, and processes for researching electrical load as follows:

PART I

GENERAL PROVISIONS

Article 1. Scope of Regulation

This Circular stipulates the content, methods, procedures, and processes for researching electrical load of the national power system, regional power systems, and provinces to serve the purpose of forecasting electricity demand and constructing the electricity price structure.

Article 2. Applicability

This Circular applies to the following subjects:

1. Vietnam Electricity Corporation.

2. State-owned Power Corporation.

3. Units operating the power system and electricity market.

Article 3. Explanation of Terms

Strategic multi-purpose hydropower plant

1. Load profile chart includes monthly and annual actual load profile charts; typical daily load profile charts (working days, weekends, and holidays) of the month and year.

2. National load research database is a set of data containing information on electricity consumption figures of load samples, results of calculations for constructing and forecasting load profile charts of the State-owned Power Corporation.

3. National load research database is a set of data containing information on electricity consumption figures of load samples, results of calculations for constructing and forecasting load profile charts of the national power system.

4. Load range is a collection of loads within the same power capacity or electricity consumption range in each load group.

5. Load sample is an electrical load with a distinctive electricity consumption pattern for a load group, calculated according to statistical probability theory with calculation reliability and margin of error within permissible limits.

6. Typical day is a selected day with a typical electricity consumption pattern of the electrical load. A typical day includes working day, weekend, and holiday typical days of the month and year.

7. Load group is a collection of electrical loads with similar electricity consumption characteristics, belonging to various load components, detailed in Appendix 1 of this Circular.

8. Non-residential load is an electrical load belonging to the Industrial-Construction, Commerce-Hotel-Restaurant, Agriculture-Forestry-Fishery, and Other Activities load components.

9. Residential load is an electrical load belonging to the Domestic Consumption load component.

10. Large load is an electrical load with a scale of electricity consumption defined by the Electricity Regulatory Authority.

11. Sub-group of loads is a collection of electrical loads with similar electricity consumption characteristics, belonging to various load groups, detailed in Appendix 1 of this Circular.

12. Electrical load component is an electrical load divided into groups in the electricity consumption structure, including Industrial-Construction, Commerce-Hotel-Restaurant, Agriculture-Forestry-Fishery, Domestic Consumption, and Other Activities components.

Chapter II

CONTENT AND METHODS FOR IMPLEMENTING LOAD RESEARCH

Article 4. Content of electrical load research

Electrical load research includes the following tasks:

1. Designing load sample selection.

2. Collecting and adjusting electricity consumption data of load samples.

3. Constructing load profile charts for load groups and load components.

4. Forecasting load profile charts.

Article 5. Methods for researching electrical load

Combine two research methods: from bottom-up (Bottom-up) and from top-down (Top-down), specifically as follows:

1. Collect data on electricity consumption of sample loads to compile load profiles for groups and components of loads (bottom-up method).

2. Gather past load profile data of the power system to adjust load profiles of groups and components of loads developed using the bottom-up method; economic and social development factors to forecast load profiles (top-down method).

Chapter III

PROCEDURE AND PROCEDURES FOR DESIGNING LOAD SAMPLE SELECTION

Section 1

DESIGNING NON-RESIDENTIAL LOAD SAMPLE SELECTION

Article 6. Procedure for designing non-residential load sample selection

1. Analyze and classify non-residential loads.

2. Determine target variables for calculating load sample selection.

3. Analyze and separate electricity consumption bands.

4. Calculate the number of load samples.

5. Select and allocate non-residential load samples to power companies.

Article 7. Analysis and classification of non-residential loads

1. Factors to consider when conducting analysis and classification of non-residential loads include:

a) Characteristics of load groups and components;

b) Voltage level of load connection;

c) Geographic and seasonal factors;

d) Other necessary information specific to load groups.

2. The process of calculating and analyzing, separating non-residential load groups is carried out in the following order:

a) Classify loads into load groups and components;

b) Further classify loads within load groups based on voltage level of connection, geographic region, season (irrigation or drainage), and other distinctive factors (if applicable).

3. Establish a list of loads according to non-residential load groups and components based on the classification of non-residential loads as stipulated in Clause 2 of this Article.

Article 8. Determining target variables for non-residential load sample selection calculation

1. Target variables are important parameters representing the electricity consumption characteristics of each non-residential load group, used in calculating standard deviation and the minimum number of non-residential load samples in load research.

2. Target variables are selected from among the following parameters:

a) Load capacity at the annual peak power point of the power system;

b) Load capacity at the daily peak morning or evening point of the year with the highest power capacity of the power system;

c) Time-of-use commercial electricity;

d) Annual commercial electricity consumption of non-residential loads.

Article 9. Analysis and separation of electricity consumption bands based on target variables

The analysis and separation of electricity consumption bands based on target variables for each non-residential load group are conducted as follows:

1. Determine the quantity and evaluate the proportion of large load capacity or electricity consumption.

2. Use the Dalenius-Hodges method to construct a load distribution chart based on load capacity or electricity consumption, determine the optimal breakpoint to separate load capacity or electricity consumption bands. Details of the Dalenius-Hodges method are specified in Appendix 2 issued together with this Circular.

The results of the calculation, analysis, and separation of load capacity or electricity consumption bands for each non-residential load group must include:

a) Number of bands and number of loads in each band;

b) Average load capacity or electricity consumption value of each consumption band;

c) Standard deviation of each band.

Article 10. Calculation of the number of non-residential load samples

The calculation of the number of non-residential load samples for each load range shall be carried out in the following steps:

1. Select large loads as sample loads to participate in load research.

2. Exclude load ranges where the total capacity or energy consumption of the loads within the range is less than 1% compared to the total capacity or energy consumption of the load group.

3. Choose one of the methods for calculating the number of sample loads for the remaining load ranges. The calculation methods include:

a) Standard distribution function method;

b) Mean Per Unit (MPU) method;

c) Separate Ratio (SR) method;

d) Combined Ratio (CR) method.

Details of the methods for calculating the number of sample loads for the load ranges are specified in Appendix 2 issued together with this Circular.

4. Determine the reliability value and margin of error for calculating the number of samples based on the budget constraints for conducting load research.

5. Calculate the number of sample loads for each load range.

6. Compile and create a statistical table of the number of sample loads in each load range, load group, and load component.

Article 11. Allocation and Selection of Non-Residential Load Samples

1. Based on the total number of samples of each load group, before May 15th each year, Vietnam Electricity Corporation shall be responsible for allocating samples (if there are changes) to each electricity corporation proportionally to the share of commercial energy of each load group of the electricity corporations.

2. Each electricity corporation shall be responsible for compiling a list of loads selected as samples according to the allocated number of samples, including the name of the load, address, voltage level, load range, load group, and load component.

3. Each electricity corporation shall be responsible for compiling a list of backup non-residential load samples in case of replacement.

4. Each electricity corporation shall be responsible for reporting to Vietnam Electricity Corporation the list of loads selected as samples according to the allocated number of samples and the list of backup load samples before December 15th each year.

Article 12. Report on Evaluation of Non-Residential Load Samples

Before December 20th each year, Vietnam Electricity Corporation shall be responsible for completing and submitting to the Electricity Regulatory Authority a report on the evaluation of non-residential load samples nationwide for the upcoming year, including:

1. Work on calculating, designing, and allocating non-residential load samples.

2. Evaluation of any changes in the number of non-residential load samples compared to the previous year.

3. Evaluation of the list of non-residential load samples compiled by the electricity corporations compared to the calculated, designed, and allocated number of non-residential load samples for the electricity corporations.

Article 13. Responsibilities of Units in Designing and Selecting Non-Residential Load Samples

a) Proposing the selection of standard power plants to calculate the price framework for power generation of solid waste power plants, cogeneration power plants, and biomass power plants that are not cogeneration (if any);

a) Calculating and designing the number of non-residential load samples nationwide;

b) Allocating the number of non-residential load samples to electricity corporations;

c) Determining the technical characteristics of the system equipment for collecting data for load research and managing and supervising investment and installation of equipment to conduct load research for non-residential load samples nationwide.

2. Each electricity corporation shall be responsible for:

a) Compiling a list of non-residential load samples according to the number of samples calculated and allocated by Vietnam Electricity Corporation;

b) Implementing investment and installation of equipment for collecting data for load research for non-residential load samples under its management area.

Section 2

DESIGNING AND SELECTING RESIDENTIAL LOAD SAMPLES

Article 14. Calculation and Selection of Civil Load Models

1. Factors to be considered when analyzing and classifying groups of civil loads include

a) Geographic factors (region, area);

b) Distribution by region (rural, urban);

c) Weather factors (season);

d) Level of electrification and electricity usage of households, or other characteristic factors within each group of civil loads.

2. The process of calculating, analyzing, and classifying civil loads for each power corporation shall be carried out in the following order:

a) Classify groups of civil loads by rural and urban areas to distinguish levels of electrification and household electricity usage;

b) Classify groups of civil loads based on characteristic factors, including residential, apartment, villa, or rental house types of civil loads;

c) Select the number of samples for each group of civil loads;

d) Compile a list of selected civil load models, including the name of the load, address, load group, and load components;

e) Prepare a backup list of civil load models in case of necessity.

3. Each power corporation is responsible for reporting to Vietnam Electricity Corporation the list of civil load models and the backup list of civil load models before December 15th each year.

4. Vietnam Electricity Corporation is responsible for compiling civil load models according to the three regions of North, Central, and South to distinguish them based on geographic and weather factors throughout the year.

Article 15. Report on Evaluation of Civil Load Models

By December 20th each year, Vietnam Electricity Corporation is responsible for completing and submitting to the Electricity Regulatory Agency a report evaluating civil load models nationwide for the upcoming year, including:

1. Work on calculation, design, and allocation of civil load models;

2. Evaluation of changes (if any) in the number of civil load models compared to the previous year;

3. Evaluation of the list of civil load models established by power corporations compared to the calculation, design, and allocation of the number of civil load models allocated to power corporations.

Article 16. Responsibilities of Units in Designing and Selecting Civil Load Models

1. Power corporations are responsible for:

a) Calculating, designing, and compiling a list of civil load models within their management scope;

b) Implementing investment and installation of data collection equipment for research on civil load models within their management scope.

a) Compiling the list of power plants providing ancillary services according to the transmission system regulations and the national black start and system recovery regulations issued by the Ministry of Industry and Trade;

a) Compiling civil load models nationwide based on budget constraints and balancing the proportion of electricity consumption of each unit against the total national electricity consumption;

b) Determining the technical characteristics of the system equipment to conduct load research and manage, supervise the investment and installation of data collection equipment for civil load models nationwide.

Chapter IV

PROCEDURES AND PROCEDURES FOR COLLECTING, ADJUSTING DATA, BUILDING, AND FORECASTING LOAD CURVES

Section 1

COLLECTION AND ADJUSTMENT OF DATA

Article 17. Collection of Meter Data from Sample Loads

1. Meter data of sample loads is the power and energy consumption data of sample loads according to the specified measurement cycle (30 minutes or 60 minutes).

2. Power corporations are responsible for setting up meters to automatically transmit data to the corporation at midnight daily.

Article 18. Determining the Error of Metering Data of Sample Loads

To determine the error of metering data of sample loads, the following tasks must be carried out:

1. Check from the start time to the end time of the data reading period.

2. Check for electricity consumption data with a value of zero ("0").

3. Check the status of notifications (identify suspicious items requiring verification).

4. Verify and compare the total electricity consumption values over the measurement cycle of the load with the monthly measured commercial electricity consumption totals.

5. Verify the measured data values against the load sample's electricity consumption threshold.

6. Verify and compare with the previous month's or the same month last year's commercial electricity consumption data.

7. Verify and compare with the previous month's or the same month last year's peak load data.

8. Verify the load factor.

Article 19. Calibration and Estimation of Metering Data of Sample Loads

1. Calibration and estimation of metering data of sample loads involve correcting missing, incomplete, or inaccurate data when determining errors during the collection of metering data.

2. Methods for calibrating and estimating metering data include:

a) Linear interpolation: extrapolate from the trend characteristic curve of electricity consumption;

b) Similar day: use similar day data from the current week or the previous week;

c) Automatic estimation: used when data is missing for no more than seven (07) days;

d) Visual inspection of graphs: to identify erroneous data and decide on estimated data;

đ) Manual calibration of estimated data: used when data is missing for more than seven (07) days;

e) Calibration of average weekly values of reference days: based on data from the four (04) most recent weeks.

3. The metering data of sample loads, after being calibrated and estimated, must be stored to establish a database for load research.

Article 20. Transmission of Sample Load Data to the National Load Research Database

By the twentieth day of the following month, the power corporation has the responsibility to complete the collection, calibration, and estimation of metering data of sample loads and transmit the corrected data to Vietnam Electricity Corporation to update the National Load Research Database.

Article 21. Quarterly Report on Evaluation of Sample Load Data

By the twentieth day of the first month of the following quarter, the power corporation has the responsibility to complete and provide a quarterly report evaluating the results of collecting and calibrating metering data of sample loads to Vietnam Electricity Corporation.

Article 22. Responsibilities of Units in Collecting and Calibrating Data

1. Power corporations are responsible for:

a) Install meters, collect, calibrate electricity consumption data from the meters of sample loads, and manage the load sample database within the scope of management of the power corporation;

b) Transmit the calibrated data of sample loads to Vietnam Electricity Corporation to build the National Load Research Database.

2. Vietnam Electricity Corporation is responsible for managing the National Load Research Database, ensuring that system operation units and electricity market entities, and power corporations have access to and can use this database.

Section 2

LOAD ANALYSIS AND CHART CONSTRUCTION

Article 23. Annual Standardized Average Load Diagram

1. The annual standardized average load diagram for each group and component of load is constructed by calculating and compiling the annual standardized load diagram of each load sample.

2. The procedure for constructing the annual standardized average load diagram for groups and components of load shall be carried out as follows:

a) Step 1: Construct the annual standardized load diagram of each load sample by dividing the annual load diagram collected throughout the year by the commercial electricity consumption of that load sample;

b) Step 2: Construct the annual standardized average load diagram of each load group by averaging the annual standardized load diagrams of the load samples within that load group;

c) Step 3: Construct the annual standardized average load diagram of each load component by averaging the annual standardized average load diagrams of the load groups within that load component;

d) Step 4: Construct the annual standardized average load diagram of the power corporation, regional power system, or nationwide by averaging the annual standardized average load diagrams of the load components;

đ) Step 5: Store the annual standardized average load diagram of each group and load component in the load research database.

Article 24. Monthly Standardized Average Load Diagram

1. The monthly standardized average load diagram is constructed by calculating and compiling the monthly standardized load diagram of each load sample.

2. The method for constructing the monthly standardized average load diagram for groups and components of load shall be carried out as follows:

a) Step 1: Construct the monthly standardized load diagram of each load sample by dividing the monthly load diagram collected throughout the month by the commercial electricity consumption of that load sample;

b) Step 2: Construct the monthly standardized average load diagram of each load group by averaging the monthly standardized load diagrams of the load samples within that load group;

c) Step 3: Construct the monthly standardized average load diagram for each load component by averaging the monthly standardized average load diagrams of the load groups within that load component;

d) Step 4: Construct the monthly standardized average load diagram of the power corporation, regional power system, or nationwide by averaging the monthly standardized average load diagrams of the load components;

đ) Step 5: Store the monthly standardized average load diagram of each group and load component in the load research database.

Article 25. Actual Load Diagram

1. The actual load diagram (annual, monthly) of each load group is constructed by multiplying the annual, monthly standardized average load diagram with the commercial electricity consumption data (annual, monthly) of each load group.

2. The actual load diagram (annual, monthly) of each load component is constructed by adding the actual load diagrams (annual, monthly) of the load groups within that load component.

3. The actual load diagram (annual, monthly) of the power corporation, regional power system, or nationwide is constructed by adding the actual load diagrams (annual, monthly) of the load components.

4. Store the actual load diagram (annual, monthly) of each load group, load component, and of the power corporation, regional power system, or nationwide in the load research database.

Article 26. Typical Daily Load Curve Diagram

1. The typical daily working day load curve diagram (yearly, monthly) for groups of loads, load components, and power companies, regional power systems, or the entire country shall be constructed by averaging the actual load curve diagrams of working days (yearly, monthly) of these groups of loads, load components, and power companies, regional power systems, or the entire country.

2. The typical non-working day and holiday load curve diagram (yearly, monthly) for groups of loads, load components, and power companies, regional power systems, or the entire country shall be constructed by averaging the actual load curve diagrams of non-working days and holidays (yearly, monthly) of these groups of loads, load components, and power companies, regional power systems, or the entire country.

Article 27. Content of the Report on Analysis of Load Curve Diagram Construction

Based on the results of constructing the load curve diagrams, the report on analysis of load curve diagrams must include the following contents:

1. Calculation and construction results of standardized unit load curve diagrams; actual load curve diagrams; typical daily load curve diagrams (yearly, monthly) according to load groups, load components, and power companies, regional power systems, or the entire country as stipulated in Articles 23, 24, 25, and 26 of this Circular.

2. Analysis and evaluation of the growth rate of commercial electricity consumption of the unit and the national power system in detail by load groups and load components compared to the previous year.

3. Evaluation of the trend of change in load curve diagrams of load groups and load components with high electricity consumption or high growth rates.

4. Evaluation of the impact of load groups and load components participating in the maximum capacity of power companies, regional power systems, or the entire country including: frequency of peak appearance, changes in maximum capacity, contribution ratio to maximum capacity. Comparison with the actual load curve diagrams of regional power systems or the entire country.

5. Changes in the load curve diagrams of load groups and load components over time.

6. Analysis of the correlation between the trends of change in load curve diagrams of load groups and load components with temperature fluctuations, industrial production indices, and other factors related to business activities.

Article 28. Quarterly Report on Analysis of Load Curve Diagram Construction

1. By the twentieth day of the second month of the following quarter, power companies have the responsibility to complete and provide the quarterly report on analysis of load curve diagram construction for each month and the aggregated load curve diagram for the entire quarter of the unit to Vietnam Electricity Corporation, System Operation Unit and Electricity Market, and the Electricity Regulatory Authority.

2. By the twenty-fifth day of the second month of the following quarter, Vietnam Electricity Corporation has the responsibility to complete and report to the Electricity Regulatory Authority the content of the quarterly report on analysis of load curve diagram construction for regional power systems and the entire country.

Article 29. Annual Report on Analysis of Load Curve Diagram Construction

1. By the twentieth day of January of the following year, power companies have the responsibility to complete and provide the annual report on analysis of load curve diagram construction of the unit to Vietnam Electricity Corporation, System Operation Unit and Electricity Market, and the Electricity Regulatory Authority.

2. By the twenty-fifth day of January of the following year, Vietnam Electricity Corporation has the responsibility to complete and report to the Electricity Regulatory Authority the content of the annual report on analysis of load curve diagram construction for regional power systems and the entire country.

Article 30. Responsibilities of Units in Load Analysis and Diagram Construction

1. The Electricity Corporation shall be responsible for calculating, analyzing, constructing load diagrams, and preparing reports on the results of annual and quarterly load diagram analysis for the corporation.

2. The Vietnam Electricity Group shall be responsible for calculating, analyzing, constructing load diagrams, and preparing reports on the results of annual and quarterly load diagram analysis for the national power system and regions.

3. The unit operating the power system and electricity market shall be responsible for calculating, analyzing, and constructing load diagrams as prescribed in Circular No. 12/2010/TT-BCT dated April 15, 2010, of the Ministry of Industry and Trade on the transmission power system.

Section 3

LOAD DIAGRAM FORECASTING

Article 31. Methods for Forecasting Load Diagrams

Combining two methods of load research from bottom-up and top-down to forecast load diagrams, specifically as follows:

1. Top-down Method

a) Using past load diagram data series to forecast load diagram trends;

b) Based on forecasting load diagram trends and considering the impact of weather factors, economic growth rates, population, and elasticity coefficients according to electricity pricing to forecast appropriate load diagrams.

2. Bottom-up Method

a) Using standardized load diagram data of units (yearly, monthly) to forecast load diagram trends for each group and component of loads;

b) Forecasting electricity sales of each group and component of loads monthly and annually, taking into account the following influencing factors: new load appearance, load growth rate, socio-economic development situation, production conditions, modernization speed of electrical equipment, and applied demand-side management (DSM) solutions;

c) Based on forecasting load diagram trends and electricity sales forecasts of each group and component of loads annually and monthly to forecast load diagrams for each group and component of loads.

3. Comparing the results of load diagram forecasts using the two aforementioned methods to analyze and determine the forecast results of load diagrams.

Article 32. Content of Load Diagram Forecast Reports

Based on the results of load diagram forecasts, the load diagram forecast report must include the following contents:

1. Calculation and forecast results of standardized load diagrams; actual load diagrams; typical daily load diagrams (yearly, monthly) by load groups, components, and electricity corporations, regional power systems, or nationwide as stipulated in Articles 23, 24, 25, and 26 of this Circular.

2. Analysis and evaluation of the growth rate of commercial electricity consumption of the unit and the national power system in detail by load groups and load components compared to the previous year.

3. Evaluation of the trend of change in load curve diagrams of load groups and load components with high electricity consumption or high growth rates.

4. Evaluation of the impact of load groups and components participating in the maximum capacity of electricity corporations, regional power systems, or nationwide including: peak occurrence frequency, changes in maximum capacity, contribution ratio to maximum capacity.

5. Changes in the load curve diagrams of load groups and load components over time.

6. Analysis of the correlation between the trends of change in load curve diagrams of load groups and load components with temperature fluctuations, industrial production indices, and other factors related to business activities.

Article 33. Load Diagram Forecast Report

1. Electricity Corporations and Units operating the power system and electricity market shall be responsible for completing annual, monthly, and weekly load diagram forecast reports ensuring compliance with the content requirements and reporting timeframes for annual, monthly, and weekly load forecast results as stipulated in Articles 16, 17, and 18 of Circular No. 12/2010/TT-BCT.

2. Before September 15 each year, the Vietnam Electricity Group shall be responsible for completing annual load diagram forecast reports ensuring compliance with the content requirements and reporting timeframes for annual load forecast results within the operational plan content.

Article 34. Responsibilities of units in load curve forecasting

1. The Electricity Corporation shall be responsible for calculating annual and monthly load curve forecasts for the units it serves to predict load, developing distribution system operation plans, and establishing electricity prices.

2. The Vietnam Electricity Group shall be responsible for calculating annual load curve forecasts for regional and national power systems to establish electricity prices and manage electricity demand (DSM).

3. Units operating power systems and electricity markets shall be responsible for calculating annual and monthly load curve forecasts for regional and national power systems to predict load, and developing national power system operation plans.

Chapter V

EXEMPTION FROM IMPLEMENTATION

Article 35. Cases eligible for exemption consideration a) Report to the Ministry of Natural Resources and Environment on the results of training and upgrading, including listing the teaching staff participating in teaching, evaluating the participation of trainees in the training process, the results of organizing examinations for completing the training and upgrading program on land valuation business, the issuance of Certificates and the use of Certificate codes, summarizing the feedback from trainees on the quality of the training and upgrading program on land valuation business, and other relevant matters.

Units subject to this Circular have the right to submit applications for exemption consideration in the following cases:

1. The unit explains difficulties related to equipping technical infrastructure and capacity to implement the requirements.

2. The unit proves that the exemption is consistent with the provisions of this Circular.

Article 36. Authority and basis for exemption decisions a) Report to the Ministry of Natural Resources and Environment on the results of training and upgrading, including listing the teaching staff participating in teaching, evaluating the participation of trainees in the training process, the results of organizing examinations for completing the training and upgrading program on land valuation business, the issuance of Certificates and the use of Certificate codes, summarizing the feedback from trainees on the quality of the training and upgrading program on land valuation business, and other relevant matters.

1. The Electricity Regulatory Authority shall be responsible for reviewing and approving cases eligible for exemption as stipulated in Article 35 of this Circular.

2. The bases for considering exemptions include:

a) The situation of the unit applying for exemption (difficulties related to equipping technical infrastructure, capacity to implement, or other relevant reasons);

b) The scope and duration of the requested exemption;

c) Other relevant bases for exemption (if any).

Article 37. Application for Exemption Documents a) Report to the Ministry of Natural Resources and Environment on the results of training and upgrading, including listing the teaching staff participating in teaching, evaluating the participation of trainees in the training process, the results of organizing examinations for completing the training and upgrading program on land valuation business, the issuance of Certificates and the use of Certificate codes, summarizing the feedback from trainees on the quality of the training and upgrading program on land valuation business, and other relevant matters.

The application for exemption (one set) includes:

1. A document requesting exemption, clearly stating the contents specified in points a, b, and c, Clause 2, Article 36 of this Circular.

2. A detailed report explaining the reasons for requesting exemption and commitments if granted exemption.

3. The written opinion of the Vietnam Electricity Group on the unit's exemption request.

Article 38. Procedures for Reviewing Exemption Applications a) Report to the Ministry of Natural Resources and Environment on the results of training and upgrading, including listing the teaching staff participating in teaching, evaluating the participation of trainees in the training process, the results of organizing examinations for completing the training and upgrading program on land valuation business, the issuance of Certificates and the use of Certificate codes, summarizing the feedback from trainees on the quality of the training and upgrading program on land valuation business, and other relevant matters.

1. Exemption application documents may be submitted directly at the Electricity Regulatory Authority's office or sent via postal service.

2. Within seven (7) days from the date of receiving the exemption application, the Electricity Regulatory Authority shall notify the submitting unit in writing about the validity of the application. If the application is incomplete, the Electricity Regulatory Authority shall specify the required additional information.

3. Within thirty (30) working days from receipt of valid applications, the Electricity Regulatory Authority shall complete the review of the exemption application and issue a decision allowing the exemption. In case of non-approval, the Electricity Regulatory Authority must notify the applicant in writing and provide the reasons for non-approval.

4. In cases where the exemption application involves complex circumstances affecting multiple units, the review period may be extended but not exceeding fifteen (15) working days.

Article 39. Obligation to Provide Information

The Vietnam Electricity Corporation and electricity corporations have the responsibility to provide information upon request from the Electricity Regulatory Agency.

Article 40. Withdrawal of Exemption Request

In case of withdrawal of the exemption request implementation, the unit that has submitted the application must notify in writing to the Electricity Regulatory Agency.

Article 41. Revocation of Decision Permitting Exemption a) Report to the Ministry of Natural Resources and Environment on the results of training and upgrading, including listing the teaching staff participating in teaching, evaluating the participation of trainees in the training process, the results of organizing examinations for completing the training and upgrading program on land valuation business, the issuance of Certificates and the use of Certificate codes, summarizing the feedback from trainees on the quality of the training and upgrading program on land valuation business, and other relevant matters.

The Electricity Regulatory Agency has the authority to revoke the decision permitting exemption implementation in the following cases:

1. Discovery of fraud in the request for exemption implementation.

2. The exempted entity does not implement or implements incorrectly the conditions and obligations committed to and the time frame specified in the decision permitting exemption implementation.

3. The conditions allowing exemption implementation no longer exist.

Chapter VI

IMPLEMENTATION

Article 42. Implementation organization

1. The Electricity Regulatory Agency is responsible for disseminating, guiding, and inspecting the implementation of this Circular; organizing the development and issuance of detailed procedures to implement the research load study process.

2. The Vietnam Electricity Corporation is responsible for organizing training on installation and use of hardware and software serving load research.

3. During the implementation process, if there are difficulties, units must report to the Electricity Regulatory Agency for review and propose the Ministry of Industry and Trade to amend and supplement this Circular.

Article 43. Effective Date

This Circular takes effect from October 21, 2011./.

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33/2011/TT-BCT
Circular No. 33/2011/TT-BCT stipulates the contents, methods, procedures, and formalities for researching electricity loads.
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