Capital Power Income
Capital Power Income was a Canadian limited partnership that generated, acquired, and sold electricity in Canada and the United States.
Last updated August 31, 2026
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Overview
Capital Power Income L.P. was an Edmonton-based electricity-generation partnership active in Canada and the United States. Established in 2002 as TransCanada Power L.P., it was created to own and operate power-generation assets and to participate in the sale of electricity to utilities, industrial customers, and other electricity marketers. Its portfolio included coal-fired, natural-gas-fired, and wind facilities, reflecting the mix of conventional and renewable generation assets used in the North American power market during the period in which the partnership operated. The business changed identity several times as ownership evolved. It began as TransCanada Power L.P. After TransCanada Corporation sold its interest to EPCOR Utilities Incorporated, the partnership was renamed EPCOR Power L.P. on September 1, 2005. In 2009, EPCOR Utilities transferred ownership to a newly created spin-off, Capital Power Corporation. The partnership was subsequently renamed Capital Power Income on November 5, 2009, aligning its identity with the Capital Power organization. Capital Power Income's activities centered on the ownership and operation of generation facilities rather than consumer-facing electricity retailing. Its assets supplied power into wholesale and contracted markets, with customers and counterparties including utilities, industrial users, and power marketers. The portfolio's use of coal, natural gas, and wind illustrates the company's involvement across several generation technologies, although the available reference material does not provide a complete asset register, production figures, revenue data, or detailed operating results. The partnership's independent existence ended in 2011. On November 7, 2011, Atlantic Power Corporation completed a plan of arrangement to acquire Capital Power Income. Following that transaction, Capital Power Income ceased to operate as a standalone business under its former identity. Capital Power Corporation, the organization associated with the partnership before the acquisition, continued as a publicly traded electricity-generation and transmission company. Capital Power Income is therefore best understood as a historical power-generation entity and predecessor or related organization within the ownership history of Capital Power, rather than as an active electricity brand today.
History
Capital Power Income originated in 2002 under the name TransCanada Power L.P. The partnership was established to participate in the ownership and operation of electricity-generation assets and in the acquisition and sale of power. Its business was based in the North American electricity sector, where generation owners commonly supply output to utilities, large industrial customers, wholesale buyers, and power marketers through a combination of contracts and market transactions. The partnership's ownership history shaped its corporate identity. TransCanada Corporation initially held an interest in the business. On September 1, 2005, after TransCanada sold that interest to EPCOR Utilities Incorporated, the partnership changed its name to EPCOR Power L.P. This renaming reflected a change in control rather than a change in the fundamental nature of the business: it remained a power-generation enterprise with operations in Canada and the United States. The next major transition came through the creation of Capital Power Corporation as a spin-off from EPCOR Utilities. Ownership of the partnership was transferred from EPCOR Utilities to the new Capital Power organization. On November 5, 2009, EPCOR Power L.P. was renamed Capital Power Income, bringing its name into alignment with Capital Power Corporation and its broader corporate structure. During this period, the partnership owned and operated a varied group of generating assets, including coal-fired plants, natural-gas-fired plants, and wind facilities. The available reference material identifies the technologies and geographic scope but does not provide a complete list of plants, capacity figures, financial statements, or individual executive biographies. Capital Power Income's commercial role was the production and sale of electricity. It was not primarily positioned as a household utility brand. Instead, its customers and market relationships included utilities, industrial users, and other power marketers. The combination of conventional thermal generation and wind assets gave the business exposure to different operating characteristics and market conditions, although the sources do not establish a detailed strategy for the relative expansion or contraction of each technology. The final stage of the partnership's history occurred in 2011. Atlantic Power Corporation completed a plan of arrangement to acquire Capital Power Income on November 7 of that year. The transaction brought the partnership under Atlantic Power's ownership and ended Capital Power Income's operation as a standalone entity under that name. Capital Power Corporation remained operational as a publicly traded electricity-generation and transmission company, but it should not be confused with the acquired historical partnership. Capital Power Income is consequently a defunct Canadian power-generation entity whose history is defined by successive ownership transfers, name changes, a geographically diversified generation portfolio, and its acquisition by Atlantic Power.
- 2011
Acquired by Atlantic Power Corporation
[1]Atlantic Power Corporation completed a plan of arrangement to acquire the partnership on November 7, ending its independent corporate existence.
- 2009
Renamed Capital Power Income
[1]After ownership moved to the newly created Capital Power Corporation spin-off, EPCOR Power L.P. changed its name to Capital Power Income on November 5.
- 2005
Renamed EPCOR Power L.P.
[1]Following the transfer of TransCanada Corporation's interest to EPCOR Utilities Incorporated, the partnership adopted the EPCOR Power L.P. name on September 1.
- 2002
Partnership founded as TransCanada Power L.P.
[1]The electricity-generation partnership was established under the name TransCanada Power L.P., with activities spanning generation, acquisition, and electricity sales.
Products and positioning
A North American power-generation partnership focused on owning and operating diversified electricity assets and selling output through utility, industrial, wholesale, and power-marketing channels.
Electricity generation
Coal-fired electricity
Electricity produced from coal-fired generating facilities in the partnership's portfolio. These assets formed part of its conventional generation operations and supplied power to utilities, industrial customers, and electricity-market counterparties. The available source does not identify individual plants or provide capacity and output figures.
Electricity generation
Natural-gas-fired electricity
Electricity generated by natural-gas-fired facilities owned or operated by the partnership. This was one of the principal thermal-generation technologies in its Canada and United States portfolio. No source-supported details are available here on specific facilities, fuel volumes, or generation capacity.
Renewable electricity generation
Wind-generated electricity
Electricity produced from wind-energy facilities held within the partnership's generation portfolio. Wind assets broadened the technology mix beyond coal and natural gas. The reference material confirms the presence of wind facilities but does not supply project names, commissioning dates, or capacity data.
Brand decisions
2011
Acquisition by Atlantic Power CorporationM&ABackground
Atlantic Power Corporation pursued a plan of arrangement to acquire the electricity-generation partnership.
Action taken
The acquisition was completed on November 7, 2011.
Aftermath
Capital Power Income ceased to exist as an independent operating entity under that name.
2009
Alignment with the Capital Power organizationStrategyBackground
Ownership was transferred from EPCOR Utilities to the newly created Capital Power Corporation spin-off.
Action taken
EPCOR Power L.P. was renamed Capital Power Income on November 5, 2009.
Aftermath
The partnership became associated with the Capital Power corporate structure until its later acquisition by Atlantic Power.
2005
Ownership transfer and name change to EPCOR Power L.P.StrategyBackground
TransCanada Corporation sold its interest in the partnership to EPCOR Utilities Incorporated.
Action taken
The partnership was renamed EPCOR Power L.P. on September 1, 2005.
Aftermath
The change marked EPCOR Utilities' ownership of the power-generation business while its core electricity activities continued.
Sources1 sources
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