GENERATING CAPACITY AND PRODUCTION

GENERATING ELECTRICITY PRODUCTION (GWh) CAPACITY (MW) at Dec. 31, 2019 2019 2018 2017 2016 2015

HYDROELECTRIC, SOLAR & WIND Central Operations − Hydroelectric − − − 668 493 564 OPG moved from five to four operating regions in 2018. Eagle Creek Renewable Energy Includes 85 hydroelectric stations and minority shareholdings in 13 hydroelectric 627 1,239 105 − − − stations and two solar facilities. Headquarters in Morristown, New Jersey. OPG acquired Eagle Creek in 2018. Eastern Operations − Hydroelectric 2,625 13,218 13,185 14,517 12,535 12,241 Includes 22 hydroelectric stations. Headquarters in Renfrew, Ontario.

Nanticoke Solar 44 58 − − − − Solar facility located in Haldimand County, Ontario. In−service as of 2019.

Northeast Operations − Hydroelectric 1,846 3,243 4,019 3,584 3,779 4,057 Includes 21 hydroelectric stations. Headquarters in Timmins, Ontario.

Northwest Operations − Hydroelectric 687 3,367 2,892 3,065 3,089 3,497 Includes 11 hydroelectric stations. Headquarters in Thunder Bay, Ontario.

Pickering Wind Turbine (Retired) − 0 2 2 3 3 Previously located in Pickering, Ontario. The turbine was dismantled in 2019.

South Central Operations − Hydroelectric 2,319 12,534 12,174 11,250 12,015 12,547 Includes 12 hydroelectric stations. Headquarters in Niagara area, Ontario.

NUCLEAR Darlington Nuclear Generating Station Located in the Municipality of Clarington, Ontario. The station has four units. One 2,634 19,860 20,029 19,250 25,619 23,293 unit was taken offline in October 2016 for refurbishment.

Pickering Nuclear Generating Station Located in Pickering, Ontario. The station has six operating units and two units in 3,094 23,605 20,850 21,411 19,958 21,231 a safe shutdown state.

THERMAL (Note: Negative net generation indicates the station consumed more electricity from the grid than it produced.) Atikokan Generating Station Located near the town of Atikokan, Ontario. Former −fired station converted 205 117 139 138 149 109 biomass in 2014. Brighton Beach Located in Windsor, Ontario. The station is a combined cycle generating station 560 50 115 60 123 115 fuelled by natural gas. Previously co−owned with ATCO Power Canada Ltd, OPG acquired complete ownership in 2019. Lambton Generating Station (Retired) Former coal−fired station located south of Sarnia, Ontario. The station was retired − 0 −7 −19 −23 −26 from service in 2013.

Lennox Generating Station Located in the town of Greater Napanee, Ontario. The station has four oil and/or 2,100 −18 −10 5 27 −38 natural gas−fired units.

Nanticoke Generating Station (Retired) Former coal−fired station located in Haldimand County, Ontario. The station was − 0 0 −12 −24 −36 retired from service in 2013.

Portlands Energy Centre Located in , Ontario. The station is a combined cycle generating station 275 576 555 237 509 513 fuelled by natural gas. Co−owned with TC Energy Corporation.

Thunder Bay Generating Station (Retired) Located in Thunder Bay, Ontario. Former coal−fired station converted to biomass − −17 −33 −28 −16 −34 in 2015. The station was retired from service in 2018.