Chubu Electric Power Group Report 2021(Integrated Report)

Activity metricCategoryUnit of measureCodeFY 2020 Results and InitiativesNumber of: (1) residential, (2) commercial, and (3) industrial customers servedQuantitativeNumberIF-EU-000.A(1) 9,304 thousand; (2) 39 thousand; (3) 46 thousand* The gure for (1) represents the number of electric power meters, and there are low-pressure supply contracts in addition to the above.Total electricity delivered to: (1) residential, (2) commercial, (3) industrial, (4) all other retail customers, and (5) wholesale customersQuantitativeMegawatt hours (MWh)IF-EU-000.B(1) 29,402,432[MWh]; (2) 18,020,221 [MWh]; (3) 58,831,323 [MWh]; (4) 4,772,095 [MWh]; (5) 2,673,575 [MWh]Length of transmission and distribution linesQuantitativeKilometers (km)IF-EU-000.C• Transmission line: Overhead - 10,650 [km]; Underground - 1,354 [km] (Line length)• Distribution line: Overhead - 130,684 [km]; Underground - 4,674 [km] (Line length)Total electricity generated, percentage by major energy source, percentage in regulated marketsQuantitativeMegawatt hours (MWh), Percentage (%)IF-EU-000.D(1) 8,669 million [kWh](2) Hydroelectric power: 95.2 [%]; Thermal power: 0; Nuclear: 0; New energy sources (solar, wind power, etc.): 4.8 [%]* Thermal power is 0 because we transferred the existing thermal power generation business to JERA in April 2019.(3) N/A* There is no “regulated market” in Japan.Total wholesale electricity purchasedQuantitativeMegawatt hours (MWh)IF-EU-000.ENot disclosed* For reasons related to competition resulting from electricity market liberalizationTopicAccounting metricCategoryUnit of measureCodeFY 2020 Results and InitiativesWorkforce Health & Safety(1) Total recordable incident rate (TRIR), (2) fatality rate, and (3) near miss frequency rate (NMFR)QuantitativeRateIF-EU-320a.1(1) Employees: 0.04* We calculated the rate of incidents only involving employees.(2) Employees: 1; Contractor/Consignors: 1* We show the number of cases as quantitative data in place of fatality rate since we do not use the calculation method recommended by the SASB standard.(3) Not applicable* Not disclosed because we do not use the measurement method recommended by the SASB standard.End-Use Efciency & DemandPercentage of electric utility revenues from rate structures that (1) are decoupled and (2) contain a lost revenue adjustment mechanism (LRAM)QuantitativePercentage (%)IF-EU-420a.1No rate structures that are decoupled and contain an LRAMPercentage of electric load served by smart grid technologyQuantitativePercentage (%) by megawatt hours (MWh)IF-EU-420a.2Deployment rate of smart meters in the service area Chubu Electric Power Grid: 76.7%Customer electricity savings from efciency measures, by marketQuantitativeMegawatt hours (MWh)IF-EU-420a.3We disclose the following quantitative data instead of customer electricity savings.Integrated development solutions• Solutions designed to achieve both better quality/productivity and energy savings and to rene customers’ production lines: 136 cases in FY2020“Marutto” Chuden• Chubu Electric Power’s one-stop services covering everything from design and installation to operation and maintenance of customers’ facilities in response to their needs for saving energy and reducing CO2: 77 cases since FY2020Nuclear Safety & Emergency ManagementTotal number of nuclear power units, broken down by U.S. Nuclear Regulatory Commission (NRC) Action Matrix ColumnQuantitativeNumberIF-EU-540a.15 units * Units 1 and 2 already ceased operation and are under the decommissioning process. * Units 3, 4 and 5 are under a periodic inspection and implementing safety improvement measures. * Units 3 and 4 are undergoing a review by the Nuclear Regulation Authority to conrm compliance to the new regulatory standards.Description of efforts to manage nuclear safety and emergency preparednessDiscussion and Analysisn/aIF-EU-540a.2• Chubu Electric Power not only ensures compliance with the new regulatory standards but also addresses risks and make efforts to minimize them, and promotes voluntary and ongoing initiatives to improve safety.• We have established a framework whereby management led by the President analyzes and assesses nuclear safety risks, and monitors and appropriately deliberates the details of the safety measures. We have also established a system under which outside experts provide advice on these initiatives from a management and an on-site technical perspective.• We are strengthening risk management by expanding the scope of risk assessment to various information including the status of the equipment at the power stations and observations on the activities in order to initiate improvements before the risks actually materialize, thereby preventing incidents before they occur.• We are strengthening diverse and overlapping measures for facilities in order to prevent accidents from occurring as well as being prepared when accidents occur and taking measures to strengthen our on-site response capabilities so that the facilities function effectively.• While we promote initiatives to reduce risks by strengthening governance, risk management and facility countermeasures/on-site response capabilities, we still assume that risks will not disappear completely. Hence, we have been strengthening cooperation with the national and local governments, relevant agencies and nuclear power business operators to prepare for any nuclear disaster including the release of radioactive materials.Grid ResiliencyNumber of incidents of non-compliance with physical and/or cybersecurity standards or regulationsQuantitativeNumberIF-EU-550a.1Not disclosed * We do not disclose this data given the risks associated with disclosure.(1) System Average Interruption Duration Index (SAIDI), (2) System Average Interruption Frequency Index (SAIFI), and (3) Customer Average Interruption Duration Index (CAIDI), inclusive of major event daysQuantitativeMinutes, NumberIF-EU-550a.2(1) 5 [minutes](2) 0.07 [number of times](3) 71.43 [minutes/time]* Excluding the duration of work-related interruptions82Chubu Electric Power Group Report 2021Top CommitmentValue CreationClimate ChangeStrategyBusiness ActivitiesGovernanceHuman ResourcesFinancial / Corporate DataSASB INDEX

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