Machine Translated by Google Annex 2 Chinese power grid companies Guidelines for Greenhouse Gas Emissions Accounting and Reporting (trial) Machine Translated by Google Compilation instructions 1. The purpose and significance of the compilation According to the "Outline" of the "Twelfth Five-Year Plan", "establishing and improving greenhouse gas statistics accounting system, and gradually establish a carbon emissions trading market” and the “Twelfth Five-Year Plan” to control greenhouse gas Emissions Work Plan” (Guo Fa [2011] No. 41) proposed “Accelerating the construction of national, local Party and enterprise three-level greenhouse gas emission accounting work system, implement direct reporting by key enterprises Greenhouse Gas Emissions and Energy Consumption Data System”, in order to ensure the realization of the 2020 The target of reducing carbon dioxide emissions per unit of GDP by 40%-45% compared with 2005, The National Development and Reform Commission organized the compilation of the "Greenhouse Gas Emission Accounting Method of China's Power Grid Enterprises". and Reporting Guidelines (Trial)" to help companies scientifically account and standardize their own greenhouses gas emissions, formulate corporate greenhouse gas emission control plans, actively participate in carbon emissions trading, Strengthen corporate social responsibility. At the same time, it also establishes and implements key corporate greenhouse gas for the competent authorities. It lays the foundation for the corporate reporting system, and formulates relevant policies for grasping the greenhouse gas emissions of key enterprises. policy support. Second, the preparation process This guide is commissioned by the National Development and Reform Commission, Beijing Zhongchuang Carbon Investment Technology Co., Ltd. Home preparation. The compilation team draws on the research results of relevant domestic and foreign companies' greenhouse gas accounting reports and practical experience, referring to the "Provincial Greenhouse Gas" issued by the General Office of the National Development and Reform Commission Guidelines for Inventory Compilation (Trial)", compiled after on-the-spot investigation, in-depth research and case trial calculation Completion of the "Guidelines for Accounting Methods and Reporting of Greenhouse Gas Emissions of China's Power Grid Enterprises (Trial)" Row)". This guideline strives to be scientific, complete, normative and operable in method. Machine Translated by Google During the compilation process, experts from China Electricity Council, State Grid Corporation of China and other units were obtained. strong support. 3. Main content "Guidelines for Accounting Methods and Reporting of Greenhouse Gas Emissions of Chinese Power Grid Enterprises (Trial)" package It includes seven parts of the main body and appendices, which clarify the scope of application of this guide, related Citations and references, terminology used, accounting boundaries, accounting methods, quality assurance and documentation requirements and report content and format. Greenhouse gas accounted for as carbon dioxide and sulfur hexafluoride (other greenhouse gas emissions are not accounted for), emission sources include the use of hexafluoride Emissions from the repair and decommissioning process of sulfur-based equipment and transmission and distribution losses. Scope of application An independent accounting statement for an enterprise with legal personality or a deemed legal person engaged in power transmission and distribution bit. 4. Issues that need to be explained Greenhouse gas emissions from grid companies include carbon dioxide emissions from transmission and distribution losses emission and the use of sulfur hexafluoride equipment repair and decommissioning process in two parts. use Leaks will also occur during the operation of sulfur hexafluoride equipment, but the leakage rate of gas is low and Monitoring is difficult, so this part of the emissions will not be considered for the time being. Given that corporate GHG accounting and reporting is a new and complex undertaking, this guide There may be deficiencies in practical application, and it is hoped that the relevant user units will respond in time. Feedback for future revisions. This guide is proposed by the National Development and Reform Commission and is responsible for interpretation and revision. Machine Translated by Google Table of contents 1. Scope of application ................................................ . 1 2. Citations and References ................................................ 1 3. Terms and Definitions ................................................ 1 4. Accounting Boundaries ................................................ . 2 5. Accounting method ................................................ . 3 (1) Emissions from the process of repairing and decommissioning equipment using sulfur hexafluoride ...... 3 (2) Carbon dioxide emissions caused by power transmission and distribution .................................4 6. Quality Assurance and Document Archiving ................................................ 5 7. Report content and format ................................................ 6 (1) Basic information of the reporting entity .................................................................6 (2) Greenhouse Gas Emissions .................................6 (3) Activity levels and their sources .................................................6 (IV) Emission factors and their sources .................................7 APPENDIX I: REPORT FORMAT TEMPLATE ................................. 8 Appendix II: Default Values of Related Parameters ................................................ 12 Machine Translated by Google 1. Scope of application This guideline is applicable to the accounting and reporting of greenhouse gas emissions of Chinese power grid companies. middle Enterprises engaged in power transmission and distribution within the territory of the country may calculate the enterprise's Greenhouse gas emissions, and prepare corporate greenhouse gas emissions reports. Such as the production of power grid enterprises If other products have greenhouse gas emissions, the greenhouse gas emissions of enterprises in related industries shall be Accounting and reporting guidelines for body emissions accounting and reporting. 2. Citations and References Documents cited in this guide mainly include: "Guidelines for Compiling Provincial Greenhouse Gas Inventories (Trial)" "China Energy Statistical Yearbook 2012" "China Greenhouse Gas Inventory Study" The following documents were used for reference and reference in the preparation of this guideline: 2006 IPCC Guidelines for National Greenhouse Gas Inventories Greenhouse Gas Protocol - Corporate Accounting and Reporting Guidelines 2004 EU Guidelines for Greenhouse Gas Monitoring and Reporting for EU ETS Facilities 3. Terms and Definitions (1) Greenhouse gases Natural and man-made gaseous states in the atmosphere that absorb and re-emit infrared radiation Element. The greenhouse gases in this guide refer to the six greenhouse gases specified in the Kyoto Protocol 1 Machine Translated by Google Gases, namely carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrogen Fluorocarbons (HFCs), Perfluorocarbons (PFCs) and Sulfur Hexafluoride (SF6). (2) Reporting subject Legal entities or deemed laws that have greenhouse gas emissions that should be accounted for and reported An independent accounting unit for people. The reporting body of this guide is the municipal or provincial power company. (3) Activity level data Refers to the consumption of electricity in the process of power transmission, as well as the repair and maintenance of sulfur hexafluoride equipment. Capacity of equipment and actual SF6 recovery during decommissioning. (4) Emission factor A factor that quantifies greenhouse gas emissions per unit of activity level. Emission factors are usually Obtained on the basis of sampling measurements or statistical analysis, representing a certain active water under given operating conditions Flat representative emission rate. 4. Accounting Boundaries The GHG emission accounting boundary of power grid enterprises is based on the municipality or provincial power company. Independent legal entity for accounting. If the reporting entity has other products besides power transmission and distribution If there are greenhouse gas emissions in the production activities of products, the greenhouse gas emissions of enterprises in related industries should be referred to. Gas emissions accounting and reporting guidelines for accounting and reporting. The scope of GHG accounting and reporting for grid companies includes: use of sulfur hexafluoride equipment sulphur hexafluoride emissions from the repair and decommissioning process, as well as transmission and distribution losses 2 Machine Translated by Google CO2 emissions from electricity production. 5. Accounting method Greenhouse gas emissions of power grid companies refer to equipment repaired and decommissioned using sulfur hexafluoride. Emissions of sulfur hexafluoride in process generation and power production links corresponding to transmission and distribution losses produced carbon dioxide emissions. The specific calculation is according to formula (1) E = + SF6 EE network loss ……………………………… (1) In the formula, E - Total CO2 emissions (tons CO2) ESF6 —Hexafluoride generated during repair and decommissioning of sulfur hexafluoride equipment Sulfur emissions (tons of carbon dioxide) E network loss - Total CO2 emissions from transmission and distribution losses (tons CO2) carbon) (1) Emissions from the repair and decommissioning of equipment using sulfur hexafluoride The emission calculation of the repair and decommissioning process of equipment using sulfur hexafluoride in power grid enterprises is based on Formula (2) ÿ 3 ×10 …(2) ESF ÿcapacity, (ÿ ÿ ÿ REC recovery RECi = ÿ+ ,i ) ÿ( REP REP recyclingj capacity , ,j ÿ)ÿ × GWPSF ÿ 6 6ÿ i j In the formula, ESF6 — generated during the repair and decommissioning of equipment using SF6 Sulfur hexafluoride emissions, (tonnes of carbon dioxide) REC capacity ,i — Sulfur hexafluoride capacity of decommissioned equipment i in nameplate data sheet 3 Machine Translated by Google display, (kg) REC — Actual recovery of SF6 from decommissioned equipment i, (kg) Recycle ,i REP — Sulfur hexafluoride capacity of repair equipment j, in nameplate data sheet capacity, j display, (kg) REP — Actual recovery of SF6 from repaired equipment j, (kg) Recycle ,j GWPSF6 — Greenhouse Gas Potential of Sulfur Hexafluoride, 23900 (2) Carbon dioxide emissions caused by power transmission and distribution The carbon dioxide emissions of grid companies are mainly due to the electricity on the transmission and distribution lines Greenhouse gas emissions from losses, which are calculated from the amount of electricity supplied and sold, In megawatt hours. The measurement method and measurement equipment standard of electric quantity should follow DL/T 448-2000 "Technical Specifications for Electric Energy Metering Devices", GB 17167-2006 "Energy Consumption Unit Energy General Principles for the Equipping and Management of Source Measuring Instruments, GB/T 25095-2010 "Overhead Transmission Line Transportation Running Condition Monitoring System", GB 17215 "Electric Energy Meter Series Standards" and GB 16934-1997 Relevant regulations of "Electric Energy Metering Cabinet". Emissions generated by power transmission and distribution power loss of power grid enterprises are calculated according to formula (3) = × AD EF …………………………… (3) In the formula, E Grid loss - the total amount of carbon dioxide emissions caused by transmission and distribution (tons of carbon dioxide carbon) AD Network Loss – The amount of electricity lost in transmission and distribution (MWh) EF Grid — regional grid annual average supply emission factor (tCO2/ 4 Machine Translated by Google MWh) The power calculation of power transmission and distribution loss is according to formula (4) EL=EL ADNetwork ÿ loss power supply and sales …………………… (4) In the formula, AD Network Loss – The amount of electricity lost in transmission and distribution (MWh) EL Electricity - Amount of electricity supplied (MWh) EL electricity sales — Electricity sold, i.e. electricity consumption by end users (MWh) The calculation formula of power supply is according to (5) ELPower EL =+ÿ EL EL ……………… supply (5)output Internet input and In the formula, EL Electricity - Amount of electricity supplied (MWh) EL On- Grid — Power Plant On-Grid (MWh) EL Input - Input power from the province (MWh) EL Output - Power output to the province (MWh) The annual average power supply emission factor of the regional power grid should be based on the current Northeast, North, East, For the division of Central China, Northwest, and Southern Power Grids, select the phases announced by the competent national authorities in recent years. The regional grid emission factor should be calculated. 6. Quality Assurance and Document Archiving The reporting entity should establish quality assurance and document storage for corporate GHG emissions reporting. file system, including the following: 5 Machine Translated by Google Designate specialized personnel to be responsible for the accounting and reporting of corporate greenhouse gas emissions. Establish and improve corporate greenhouse gas emission ledger records. Establish corporate GHG data and file storage and archive management data. Establish an internal audit system for corporate greenhouse gas emission reports. 7. Report content and format The reporting entity shall report the following in accordance with the format of Annex I: (1) Basic information of the reporting entity The basic information of the reporting entity shall include the name of the enterprise, the nature of the unit, the reporting year, the Industry, organization code, legal representative, person in charge and contact information. (2) Greenhouse gas emissions The reporting entity should report the total amount of greenhouse gas emissions during the accounting period, and report the use of Emissions from the repair and decommissioning of sulfur hexafluoride equipment and emissions from transmission and distribution carbon emissions. (3) Activity levels and their sources The reporting entity should report the capacity of each piece of equipment repaired and decommissioned using SF6 and the actual recovery of sulfur hexafluoride, as well as the on-grid electricity of power generation enterprises in the grid, and the output from other provinces. Incoming electricity, exporting electricity and selling electricity. If the company produces other products, it should be report their activity data and sources as required by the release accounting and reporting guidelines. 6 Machine Translated by Google (IV) Emission factors and their sources The reporting entity shall report the emission factor of the power grid in the region where it is located. If the company produces other products, it should be report their emission factor data and sources as required by the release accounting and reporting guidelines. 7 Machine Translated by Google Appendix 1: Report Format Template Report on Greenhouse Gas Emissions of Chinese Power Grid Enterprises Report body (stamp): Reporting year: Date of preparation: year month day 8 Machine Translated by Google According to the "Greenhouse Gas Emissions of Chinese Power Grid Enterprises" issued by the National Development and Reform Commission Accounting Methods and Reporting Guidelines (for Trial Implementation)", the main body of this report has calculated the annual temperature GHG emissions and filled out relevant data forms. The relevant situation is reported as follows: 1. Basic information of the enterprise 2. Greenhouse Gas Emissions 3. Activity level data and source description 4. Emission factor data and source description This report is true and reliable. If the information in the report is inconsistent with the actual situation, the company will will bear the corresponding legal responsibility. Legal person (signature): year month day Schedule 1 Report on CO2 Emissions of the Reporting Entity Schedule 2 Reporting Subject Activity Level Data Schedule 3 Reporting Entity Emission Factors 9 Machine Translated by Google Schedule 1 Report on the annual carbon dioxide emissions of the reporting entity Total corporate carbon dioxide emissions (tCO2) Repair and decommissioning process products using sulfur hexafluoride equipment Raw emissions (tCO2) CO2 emissions from transmission and distribution (tCO2) Schedule 2 Reporting Subject Activity Level Data Sulfur Hexafluoride Recovery* repair Equipment capacity actual recycling decommissioned equipment Equipment capacity actual recycling equipment (kilogram) (kilogram) prepare (kilogram) (kilogram) 1 1 2 2 34 34 5 5 6 6 7 7 8 8 9 9 10 10 Transmission and distribution losses On-grid electricity of power plants (MWh) Imported electricity from other provinces (MWh) Exported electricity to other provinces (MWh) Electricity sold (MWh) Transmission and distribution (MWh) If the enterprise has more than 10 sulfur hexafluoride repair and decommissioning equipment in the accounting and reporting period, please add it by yourself. 10 Machine Translated by Google Schedule 3 Reporting Entity Emission Factors data unit Transmission and distribution losses electricity tons of CO2/MWh 11 Machine Translated by Google Appendix II: Default Values of Related Parameters Table 2-1 Emission factors and parameter default values name emission factor unit carbon dioxide emission factor electricity Tons of CO2/MWh using the latest national published values 12