Algonquin Power & Utilities
A Canadian investor-owned utility company operating regulated electricity, natural gas, water and wastewater businesses across North America and selected international markets.
Last updated August 31, 2026
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Overview
Algonquin Power & Utilities Corp. is a Canadian investor-owned utility company headquartered in Oakville, Ontario. Its business has historically combined regulated utility operations with renewable-energy generation and other energy infrastructure. The regulated utility platform is principally operated through Liberty Utilities, while other operating businesses include Bermuda Electric Light Company and Suralis in Chile, formerly known as ESSAL. The company traces its public-market origins to Algonquin Power Income Fund, which was established in September 1997. The fund raised nearly C$75 million and used approximately C$27.5 million to acquire 14 hydroelectric generation facilities in Ontario, Quebec, New York and New Hampshire. Its trust units began trading on the Toronto Stock Exchange on December 23, 1997. This initial portfolio established Algonquin’s early identity as an owner and operator of power-generation assets. In October 2009, following the Canadian government’s decision to end preferential tax treatment for income trusts, Algonquin Power Income Fund was converted into a corporation. Trust unitholders exchanged their units on a one-for-one basis for shares in the new corporate entity, Algonquin Power & Utilities. The corporate structure supported the expansion of the company beyond its original hydroelectric portfolio into regulated utility services and a broader set of renewable-energy assets. Through Liberty Utilities, Algonquin has operated regulated water, wastewater, natural-gas and electricity businesses serving residential, commercial and municipal customers. Liberty’s stated operating model emphasizes local management and service for small and mid-sized communities. Its United States footprint has included utility operations in states such as Arizona, Arkansas, California, Georgia, Illinois, Iowa, Kansas, Massachusetts, Missouri, New Hampshire, New York, Oklahoma and Texas. In Canada, Liberty has also supplied natural gas in New Brunswick. The group’s regulated assets have been built in part through acquisitions of local and regional utility systems. The company’s international utility portfolio has also included Bermuda Electric Light Company, which provides electricity services in Bermuda, and Suralis in Chile, a water and wastewater utility formerly known as ESSAL. These businesses complement Liberty’s North American regulated-utility platform and give Algonquin exposure to electricity and water services outside Canada and the continental United States. Algonquin was added to the S&P/TSX 60 Index on June 22, 2020. Its shares trade under the symbol AQN on both the Toronto Stock Exchange and the New York Stock Exchange. In January 2025, the company completed the sale of its renewable assets to LS Power. The transaction marked a significant change in portfolio emphasis, reducing the company’s direct renewable-generation holdings and leaving regulated utility operations as the central reference point for its business profile. Algonquin remains an active public utility company, but the precise composition of its assets and operating subsidiaries can change through regulatory approvals, acquisitions and divestitures.
History
Algonquin Power & Utilities developed from Algonquin Power Income Fund, an income-trust vehicle established in September 1997. The fund raised nearly C$75 million and directed approximately C$27.5 million toward the acquisition of 14 hydroelectric generating facilities located in Ontario, Quebec, New York and New Hampshire. Its trust units began trading on the Toronto Stock Exchange on December 23, 1997. These transactions gave Algonquin an initial base in hydroelectric generation and established its presence as a publicly traded owner of energy infrastructure. The company’s structure changed in October 2009. The Canadian government had decided to end preferential tax treatment for income trusts, prompting Algonquin Power Income Fund to convert into a corporation. Trust unitholders exchanged their units for shares in Algonquin Power & Utilities Corp. on a one-for-one basis. The conversion allowed the business to continue as a corporate utility and infrastructure owner while broadening its activities beyond its original generation portfolio. Over time, Algonquin expanded into regulated utility services through Liberty Utilities. Liberty operates local electricity, natural-gas, water and wastewater systems, primarily for small and mid-sized communities. Its growth included acquisitions of utility assets across numerous U.S. states. Examples identified in the company’s documented history include water and sewer systems in Arizona and other states, natural-gas operations acquired from Atmos Energy, New England Gas Company, Granite State Electric and EnergyNorth Natural Gas, and the electricity, gas and water operations of Empire District Electric Company. The group also acquired New York American Water in 2022 and St. Lawrence Gas in 2019, according to the referenced company history. Algonquin’s regulated operations have not been limited to the United States. Liberty has supplied natural gas in New Brunswick, while Bermuda Electric Light Company has represented an electricity utility presence in Bermuda. In Chile, Suralis, formerly ESSAL, has operated water and wastewater services. These businesses broadened Algonquin’s regulated-utility exposure across electricity, gas and water services. Alongside regulated utilities, Algonquin operated renewable-energy generation and related infrastructure. Its historical generation activities included hydroelectric assets, while the broader renewable portfolio included wind, solar and other renewable projects. This combination of regulated utilities and renewable generation was central to the company’s diversified identity for much of its corporate history. Algonquin was added to the S&P/TSX 60 Index on June 22, 2020. Its common shares trade on the Toronto Stock Exchange and the New York Stock Exchange under the symbol AQN. In January 2025, Algonquin completed the sale of its renewable assets to LS Power. The divestiture represented a major portfolio decision, reducing the company’s direct renewable-generation exposure and increasing the relative importance of its regulated utility businesses. Algonquin continues to operate as a public utility company, although the exact asset mix remains subject to regulatory decisions, acquisitions and sales.
- 2025
Renewable assets sold to LS Power
[1]The company completed the sale of its renewable assets to LS Power in January 2025.
- 2020
Added to the TSX 60 Index
[1]Algonquin Power & Utilities joined the S&P/TSX 60 Index on June 22, 2020.
- 2009
Conversion from income trust to corporation
[1]The income fund was converted into Algonquin Power & Utilities Corp. after Canadian tax-policy changes affecting income trusts.
- 1997
Algonquin Power Income Fund is established
[1]The predecessor organization was established in September 1997 and raised nearly C$75 million to build an initial power-generation portfolio.
- 1997
Trust units begin trading on the Toronto Stock Exchange
[1]Algonquin Power Income Fund began public trading on December 23, 1997.
Products and positioning
A diversified, investor-owned regulated utility group with operations in electricity, natural gas, water and wastewater, historically complemented by renewable-energy generation.
electric utility
Liberty Utilities regulated electricity
Regulated electric utility operations serving residential, commercial and other customers in selected Canadian and U.S. service territories. The platform includes local distribution and related utility management activities, with rates and operating obligations generally subject to public-utility regulation. Its U.S. footprint has included electricity operations in California, Kansas, Missouri, New Hampshire and Oklahoma.
natural gas utility
Liberty Utilities natural gas
Regulated natural-gas utility services delivered through Liberty operations in the United States and New Brunswick, Canada. The business has expanded through acquisitions of regional gas systems, including assets formerly associated with Atmos Energy, New England Gas Company, EnergyNorth Natural Gas and St. Lawrence Gas. Services include the operation and maintenance of local gas infrastructure and customer support.
water utility
Liberty Utilities water and wastewater
Regulated water and wastewater operations serving communities and private or municipal-style service territories in the United States. The portfolio has included water and sewer systems in Arizona, California, Illinois, Missouri, Texas and other states. The business provides water delivery, wastewater collection or treatment, infrastructure operation and customer services where the relevant utility subsidiaries hold operating rights.
electric utility
Bermuda Electric Light Company
An electricity utility business serving Bermuda and forming part of Algonquin’s international regulated-utility portfolio. It extends the company’s electricity operations beyond Canada and the continental United States.
water and wastewater utility
Suralis
A Chilean water and wastewater utility formerly known as ESSAL. Suralis represents Algonquin’s regulated water-services presence in Chile and complements the group’s Liberty Utilities water operations in North America.
renewable energy · 1997
Renewable power generation
Algonquin historically owned and operated renewable-generation assets, beginning with hydroelectric facilities and later encompassing a broader renewable portfolio. The company completed the sale of its renewable assets to LS Power in January 2025, so this line is no longer the same scale or strategic component of the group’s portfolio.
Brand decisions
2025
Divest renewable assets to LS PowerM&ABackground
Algonquin had historically combined regulated utility operations with renewable power generation and related energy infrastructure.
Action taken
The company completed the sale of its renewable assets to LS Power in January 2025.
Aftermath
The transaction reduced Algonquin’s direct renewable-generation portfolio and increased the relative strategic importance of its regulated utility businesses.
2009
Convert the income fund into a corporationStrategyBackground
The Canadian government’s decision to end preferential tax treatment for income trusts required the predecessor Algonquin Power Income Fund to reconsider its legal and market structure.
Action taken
Algonquin converted the income fund into Algonquin Power & Utilities Corp. in October 2009, with trust units exchanged for corporate shares on a one-for-one basis.
Aftermath
The conversion created the present corporate issuer and supported the company’s subsequent development as a diversified utility and infrastructure business.
Recent events
- 2025
Algonquin completes sale of renewable assets to LS Power[1]
M&A
Algonquin completed the sale of its renewable-energy assets to LS Power in January 2025, materially changing the balance of its portfolio toward regulated utility operations.
- 2020
Algonquin joins the TSX 60 Index[1]
Other
Algonquin Power & Utilities was added to the S&P/TSX 60 Index on June 22, 2020.
- 2009
Algonquin converts from an income trust to a corporation[1]
Other
Algonquin Power Income Fund was converted into Algonquin Power & Utilities Corp. after Canadian tax-policy changes affecting income trusts. Unitholders received corporate shares on a one-for-one basis.
- 1997
Algonquin Power Income Fund begins public trading[1]
Other
The predecessor income fund listed its trust units on the Toronto Stock Exchange after raising nearly C$75 million and acquiring an initial portfolio of hydroelectric facilities.
Sources7 sources
- 1Algonquin Power & Utilitiesen.wikipedia.org
- 2Algonquin Power & Utilities official websitealgonquinpower.com
- 3Liberty Utilities official websitelibertyutilities.com
- 4Algonquin Power & Utilities Corp. Appoints Arthur Kacprzak as Chief Financial Officerprnewswire.com
- 5Algonquin Power & Utilities Corp. Completes Acquisition of Enbridge St. Lawrence Gasprnewswire.com
- 6Algonquin Power & Utilities Corp. Completes Acquisition of New Brunswick Gasprnewswire.com
- 7Algonquin Power & Utilities Corp. Completes Acquisition of New York American Water Company, Inc.prnewswire.com
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