Pattern Energy is a leading renewable energy and transmission developer with approximately 6 gigawatts of operating capacity across wind, solar, and transmission projects in the United States, Canada, and Japan. The company is best known for the SunZia project — the largest wind energy and transmission project in U.S. history — which is currently under construction in New Mexico and Arizona.
Pattern Energy was founded in 2009 and went public on NASDAQ in 2013 (ticker: PEGI). In March 2020, the Canada Pension Plan Investment Board (CPPIB) completed a take-private acquisition of Pattern for approximately $6.1 billion including debt. Since going private, Pattern has accelerated its development pipeline and taken on the SunZia project at a scale that may have been difficult to execute as a public company.
SunZia is the defining project of Pattern Energy's current strategy and one of the most significant clean energy infrastructure investments in U.S. history. The project consists of two components developed in tandem: SunZia Wind, a 2.2 GW onshore wind farm in central New Mexico, and SunZia Transmission, a 550-mile, 3 GW-capacity high-voltage direct current (HVDC) transmission line running from New Mexico to a hub near Phoenix, Arizona.
The SunZia transmission line is one of the longest HVDC lines ever built in the Western Hemisphere and will deliver clean energy from the wind-rich Southwest into the load centers of Arizona and California. Pattern secured a landmark power purchase agreement with Amazon Web Services for the wind generation — the largest single corporate clean energy PPA in U.S. history at the time of signing, at approximately 1.3 GW of capacity.
SunZia faced more than a decade of permitting and environmental review challenges before construction commenced. The wind project began generating power in late 2024, with the transmission line expected to reach full commercial operation in 2025–2026. The project's completion will represent a major milestone for Western U.S. clean energy infrastructure and demonstrate the feasibility of large-scale merchant transmission development.
Beyond SunZia, Pattern Energy operates a diversified portfolio of wind and solar projects primarily in the U.S., Canada, and Japan. Its U.S. wind fleet spans projects across Texas, California, Pennsylvania, New Mexico, and the Pacific Northwest. The company entered Japan through acquisitions and greenfield development, where long-term feed-in tariff contracts have provided stable, regulated returns from onshore and offshore wind assets.
Pattern's Canadian portfolio includes wind projects in Ontario, Quebec, and Alberta, often developed under provincial renewable energy procurement programs. The company's long-term contracted revenue model — the majority of its generation is sold under multi-decade PPAs — provides cash flow predictability that suits CPPIB's infrastructure investment mandate.
Pattern is one of the few renewable energy developers to pursue merchant transmission at scale. The SunZia Transmission line is a private, independently financed transmission project — distinct from utility-built, rate-base transmission — and demonstrates Pattern's willingness to take on the complexity of developing new grid infrastructure where regulated utilities have been slow to act.
The company views transmission development as a strategic complement to its generation business: new transmission unlocks stranded renewable resources, expands the addressable market for its own wind and solar projects, and creates a new class of long-duration infrastructure assets with contracted revenues. Pattern is actively evaluating additional transmission corridors in the Western U.S. and beyond.
Under CPPIB ownership, Pattern has the long-term capital backing and patient investment horizon to pursue projects of SunZia's scale and complexity. The Canada Pension Plan's infrastructure mandate is well-aligned with large-scale, long-duration renewable energy and transmission assets — providing Pattern with a structural advantage in competing for capital-intensive projects that require decade-long development timelines.
Pattern's 30+ GW development pipeline positions it as a major beneficiary of the anticipated surge in U.S. electricity demand from data centers, manufacturing, and electrification. The successful delivery of SunZia will significantly enhance its credibility as a developer capable of executing gigawatt-scale, complex infrastructure projects — potentially unlocking new project financing opportunities and PPA counterparties.
Pattern's private ownership under CPPIB means limited financial transparency and no public market liquidity. The company's financial performance, leverage, and project-level economics are not publicly disclosed. CPPIB's long-term mandate reduces pressure for near-term monetization, but also means the company's value creation is opaque to outside observers.
SunZia's successful completion is both Pattern's greatest opportunity and its most significant near-term execution risk. Large-scale HVDC transmission projects in the U.S. have historically faced cost overruns, permitting challenges, and construction delays. Any material issues with SunZia's transmission line would have significant financial and reputational implications for the company.
This profile was compiled from publicly available information including:
Pattern Energy corporate website — Company overview, project portfolio, and press releases.
Bureau of Land Management and FERC filings related to SunZia Wind and Transmission permitting.
CPPIB portfolio disclosures and annual reports.
Industry reporting on SunZia development, corporate PPA announcements, and Western U.S. transmission infrastructure.
This profile is for informational purposes only and does not constitute investment advice, a recommendation, or a solicitation to buy or sell any security.