CPX on Toronto Stock Exchange

Capital Power Corporation

Logo: Capital Power Corporation, Public domain, via Wikimedia Commons4

Canadian power generation

Capital Power is a Canadian independent power generation company based in Edmonton, Alberta, Canada. It develops, acquires, owns and operates power generation facilities using a variety of energy sources.2 Its shares trade on Toronto Stock Exchange under the symbol CPX.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

1970Founded1

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  • TickerCPX on Toronto Stock Exchange1
  • Industryelectricity generation1
  • HeadquartersEdmonton1
  • Websitewww.capitalpower.com
  • Legal formbusiness corporation1
  • LEI549300QRKTEXGXYVPO803
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressSuite 1200, 10423 - 101 Street N.W., T5H 0E9 Edmonton, Canada3
  • Registered withCorporations Canada, 716657-53

Capital Power is a Canadian independent power generation company based in Edmonton, Alberta, Canada. It develops, acquires, owns and operates power generation facilities using a variety of energy sources.2

Corporate structure

Capital Power Corporation sits at the top of its group. 12 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

The story

The company history dates back to Edmonton Electric Lighting and Power Company formed in 1891. Previously named Edmonton Power, then EPCOR Generation (a division of EPCOR Utilities), Capital Power was created through issuance of a 25 percent IPO by EPCOR Utilities in 2009.

The Clover Bar Landfill Gas facility was commissioned in 2005. The facility utilizes landfill gas from the City of Edmonton's Waste Management Centre and output from the facility is sold to the City of Edmonton.

In October 2010, Capital Power acquired the Island Generation Facility, a 275 megawatt (MW), gas-fired combined cycle power plant at Campbell River, British Columbia, from Kelson Canada.

In September 2011, Capital Power and TransAlta completed the 495 MW (gross) Keephills 3 generating facility and announced the commencement of commercial operation at the facility.

In November 2011, Atlantic Power Corporation acquired Capital Power Income. As part of the arrangement, Capital Power acquired CPILP's Roxboro and Southport plants in North Carolina.

In October 2012, Innergex Renewable Energy Inc. acquired Capital Power's Brown Lake, B.C., and Miller Creek, B.C. hydro facilities.

In November 2012, Capital Power's 142 MW Quality Wind project, located in British Columbia, began commercial operation.

In December 2012, Capital Power and ENMAX Corporation announced the signing of a joint venture agreement to build, own and operate the 800 MW Shepard Energy Centre in Calgary.

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In November 2013, Emera Inc. acquired Capital Power's facilities in Connecticut: Bridgeport, Rhode Island: Tiverton, and Maine: Rumford, including certain emissions credits. These facilities were subsequently sold by Emera to the Carlyle Group.

In February 2017, Capital Power entered into an agreement to acquire the thermal power business of Veresen, consisting of two gas-fired generation facilities and two waste heat assets.

In March 2017, Capital Power and ENMAX Corporation announced that the Shepard Energy Centre was chosen as the test site for the natural gas track of the $20 million NRG COSIA Carbon XPRIZE, a global competition to develop breakthrough technologies that convert carbon dioxide (CO2) into valuable products. Shepard Energy Centre will host the new Alberta Carbon Conversion Technology Centre, as well as provide the flue gas for testing during the NRG COSIA Carbon XPRIZE and for future innovators.

In June 2017, Capital Power's Bloom Wind project, located in Kansas began commercial operation.

In October 2023, Capital Power announced that it would acquire 50.15 percent stake in the Frederickson 1 Generating Station, a natural gas-fired combined-cycle generation facility located in Pierce County, Washington. The acquisition was completed in December 2023.

In November 2023, Capital Power announced that it would acquire two natural gas-fired generation facilities: the 1,092 MW Harquahala facility in Arizona, and the 1,062 MW La Paloma facility in California for $1.1 billion. Both acquisitions were completed in February 2024.

From Wikipedia’s article on Capital Power, shared under CC BY-SA 4.0.5

Products and brands

In operation

150 Mile House Waste Heat in British Columbia, Canada

Arlington Valley in Arizona, United States

Beaufort Solar in North Carolina, United States

Buckthorn Wind in Texas, United States

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Bloom Wind in Kansas, United States

Cardinal Point Wind in Illinois, United States

Clover Bar Energy Centre in Alberta, Canada

Clover Bar Landfill Gas Plant in Alberta, Canada

Clydesdale Solar in Alberta, Canada

Decatur Energy Center in Alabama, United States

Genesee Generating Station in Alberta, Canada

Goreway Power Station in Ontario, Canada

Halkirk Wind in Alberta, Canada

Island Generating Station in British Columbia, Canada

Joffre Cogeneration Plant in Alberta, Canada

Kingsbridge Wind Power Project in Ontario, Canada

Macho Springs Wind in New Mexico, United States

Midland Cogeneration Venture in Michigan, United States

New Frontier Wind in North Dakota, United States

Port Dover and Nanticoke Wind in Ontario, Canada

Quality Wind in British Columbia, Canada

Savona Waste Heat in British Columbia, Canada

Shepard Energy Centre in Alberta, Canada

Strathmore Solar in Alberta, Canada

Whitla Wind Project in Alberta, Canada

York Energy Centre in Ontario, Canada

Harquahala Natural Gas Generation Station in Arizona

La Paloma Combined Cycle Gas Generation Station in Kern County, California

Frederickson 1 Generating Station in Pierce County, Washington.

Under construction

Genesee Generating Station Repowering Genesee 1 & 2

In development

Bear Branch Solar in North Carolina, United States

East Windsor Generation Facility Expansion

Goreway – Battery Energy Storage System in Ontario, Canada

Goreway Power Station – Upgrades Project in Ontario, Canada

Halkirk 2 Wind in Alberta, Canada

From Wikipedia’s article on Capital Power, shared under CC BY-SA 4.0.5

Subsidiaries and ownership

Subsidiaries (GLEIF)

Also consolidated

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. Jul 9, 2009Went public Listed on Toronto Stock Exchange1
  2. 1970Founded Founded1