The SunZia Wind Project, the largest wind farm in the United States, has officially begun commercial operations as of June 2026. Located in New Mexico, the project features more than 900 turbines spread across three counties—San Miguel, Lincoln, and Torrance—and generates 3,650 megawatts of power. The output is expected to supply electricity to approximately one million homes in Arizona and California.

Developed by California-based Pattern Energy Group, SunZia is more than three times the size of the country’s next largest wind farms, the Alta Wind Energy Center in California and the Great Prairie Wind Farm in Texas. The project represents a major expansion of New Mexico’s renewable energy capacity, doubling the state's wind-generating capabilities. Wind energy now accounts for 45% of New Mexico’s installed power capacity, with solar and natural gas each contributing about 19%.

Power generated by SunZia is transmitted through a 550-mile transmission line, which crosses around 350 miles of central and western New Mexico before reaching markets in central Arizona and Southern California. Lynn Mostoller, executive director of the New Mexico Renewable Energy Transmission Authority, a state-created body that partnered with Pattern Energy, described the operational launch as a “tremendous milestone” that will support western states in meeting their renewable energy targets.

The development of the $11 billion project began in 2023 after nearly two decades of permitting and planning, with initial testing phases producing power as early as April 2026. The project is also expected to deliver significant economic benefits, including the creation of more than 2,000 construction jobs and over 100 permanent operational positions. Pattern Energy estimates the project will contribute $20 billion in economic impact to New Mexico and Arizona, including $1.3 billion in direct payments to local schools, governments, and private landowners.

Senator Martin Heinrich (D-N.M.) praised the project’s completion, emphasizing its importance to both New Mexico and the broader country’s energy future. Heinrich noted the lengthy 18-year process required to bring SunZia online and called for reforms to accelerate permitting timelines while maintaining environmental and community engagement standards. “If we want more projects like SunZia that lower costs, strengthen our energy security, and create good-paying jobs, we need a permitting system that gets to yes—or no—faster,” he said.

The commercial launch of SunZia comes amid broader challenges for renewable energy developers, including the reduction of federal tax incentives and permitting delays. Reports have highlighted that national security reviews conducted by the Pentagon have stalled the development of over 250 onshore wind farms on private lands. Despite these obstacles, SunZia’s progression marks a significant advancement in renewable energy infrastructure in the southwestern United States.