ALLETE Clean Energy (ACE) develops, acquires, and operates clean and renewable energy projects. Historically a subsidiary of ALLETE, Inc., ACE focused primarily on wind energy generation, selling output to utilities and corporate customers under long-term contracts. In June 2024, ALLETE Clean Energy was acquired by a partnership of Cordelia Power (a portfolio company of CPP Investments) and Axium Infrastructure Inc. The company plays a significant role in the transition to a cleaner energy future by expanding renewable energy capacity across North America.
Serves as the primary center for strategic decision-making, project development oversight, financial management, and administrative operations for its portfolio of renewable energy assets.
Located in the ALLETE Plaza building in downtown Duluth, offering modern office amenities. Proximity to Lake Superior is a notable geographical feature of the city.
Historically, a mission-driven culture focused on sustainability, innovation in renewable energy, and operational excellence. Emphasis on collaboration, safety, and community engagement. Culture may evolve under new ownership.
The Duluth headquarters centralizes the management of a diverse and growing portfolio of wind and solar energy projects across the United States, playing a key role in the company's contribution to the renewable energy sector.
ALLETE Clean Energy's direct operational footprint is concentrated within the United States, where it develops, owns, and operates its portfolio of wind and solar energy projects. While its physical presence is North American, the company contributes to global decarbonization efforts through its renewable energy generation. It may also engage with international partners for technology, equipment supply, and project financing.
30 West Superior Street
Duluth
MN
USA
Address: General operational site for Caddo & Caddo Extension Wind Farms (specific administrative office address not publicly listed for the site)
Ensures efficient and reliable renewable energy production, contributing to Oklahoma's wind energy capacity and serving corporate and utility offtakers.
Address: General operational site for South Peak Wind Farm (specific administrative office address not publicly listed for the site)
Supports Montana's renewable energy landscape by providing reliable wind power to the local grid and contributing to regional emission reduction efforts.
Address: Operational sites at various wind and solar farms across states like Pennsylvania, Oregon, Iowa, Minnesota, North Dakota.
To ensure localized operational efficiency, safety, and community liaison for each specific wind or solar project within ALLETE Clean Energy's portfolio.
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As of April 2025, ALLETE Clean Energy' leadership includes:
ALLETE Clean Energy has been backed by several prominent investors over the years, including:
The most significant executive-level event in the last 12 months is the acquisition of ALLETE Clean Energy by Cordelia Power and Axium Infrastructure, completed in June 2024. This resulted in a transition of the entire ALLETE-era executive team. The new ownership will establish the future leadership structure. Specific individual hires or departures prior to this major transition were not heavily publicized.
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Prior to its acquisition in June 2024, ALLETE Clean Energy likely used email formats similar to its parent company, ALLETE, Inc., such as `[first_initial][last]@alletecleanenergy.com`. With the change in ownership to Cordelia Power and Axium Infrastructure, email domains and formats are subject to change as the company integrates with its new owners.
[first_initial][last]@alletecleanenergy.com (Note: This was the likely pre-acquisition format and may change)
Format
jsmith@alletecleanenergy.com
Example
65 (This is an estimated success rate for the historical format; deliverability will depend on current email infrastructure post-acquisition)%
Success rate
ALLETE, Inc. / Business Wire • June 6, 2024
ALLETE, Inc. (NYSE: ALE) today announced it has completed the sale of ALLETE Clean Energy (ACE) to a partnership formed by Cordelia Power, a portfolio company of Canada Pension Plan Investment Board (CPP Investments), and Axium Infrastructure Inc. (Axium) for approximately $607.5 million in cash, plus the assumption of debt. The sale enables ALLETE to focus on its regulated utility businesses and execute its 'Sustainability in Action' strategy....more
ALLETE Clean Energy News / PR Newswire • December 13, 2023
ALLETE Clean Energy, a wholly owned subsidiary of ALLETE (NYSE:ALE), today announced a new power purchase agreement with McDonald's Corp. for a 100-megawatt portion of its Caddo Extension wind project in southern Oklahoma. This agreement expands ALLETE Clean Energy's portfolio of renewable energy supplied to corporate customers....more
ALLETE, Inc. / Business Wire • February 29, 2024
ALLETE, Inc. (NYSE:ALE) announced it has entered into a definitive agreement to sell ALLETE Clean Energy (ACE) to a partnership formed by Cordelia Power and Axium Infrastructure for $680 million (original announcement, price adjusted at closing). The transaction was expected to close in mid-2024....more
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