The United States is one of the largest solar energy markets in the world, home to companies that have developed some of the biggest solar projects globally. These developers not only build massive solar farms but also help drive innovation, create jobs, and push the country closer to a sustainable, low-carbon future. Below is a look at some of the top solar energy development companies in the USA and their estimated developed capacity in the USA.
1. Explore Lightsource PB
Estimated Developed Capacity: 3 GW of solar
Lightsource bp, a global leader in renewable energy development. Lightsource BP, rebranded from Lightsource Renewable Energy in 2018, is the largest solar developer in Europe. In 2024 bp completed its acquisition of 100% interest in Lightsource bp. In February 2025 Lightsource bp announced completion of two solar farms with a total capacity of 288 MW in Texas while in Jones County the company currently has the 700 MW Jones City energy center under construction. making th company a key player in Texas.
2. NextEra Energy Resources
Estimated Developed Capacity: 2 GW of solar
NextEra Energy Resources is the renewable energy arm of NextEra Energy, one of the largest utilities in the U.S. The company is a pioneer in large-scale solar and wind development, with solar projects spread across multiple states, including massive sites in Florida, California, and Texas. Two of the solar projects we have featured that are in the companies stable include 265MW Dunnis Bridge and 200MW Indiana Crossroads Solar projects in Northern Indiana and the 100MW Point Beach Solar Energy Center project in Wisconsin
3. Invenergy
Estimated Developed Capacity: 7 GW of solar
Invenergy is a privately held developer and operator of sustainable energy projects, including wind, solar, and battery storage. Invenergy has developed numerous utility-scale solar farms throughout the Midwest, Southwest, and Southeast, partnering with major corporations and utilities to deliver clean power. We have previously reported that Invenergy is constructing a solar panel manufacturing plant in Ohio that will meet half the the capacity of all utility-scale solar installations made in the United States
4. EDF Renewables North America
Estimated Developed Capacity: Over 3 GW of solar in North America
A subsidiary of the French utility giant EDF Group, EDF Renewables North America has developed large-scale solar and wind projects across the U.S. The company specializes in utility-scale solar farms and solar-plus-storage projects.
5. AES Clean Energy
Estimated Developed Capacity: Over 2 GW of solar
AES Clean Energy, a business unit of AES Corporation, develops and operates utility-scale and community solar projects. AES is also heavily investing in solar-plus-storage and other innovative grid solutions. In Hawaii, AES operates at the largest solar power plant in the state – the Kuihelani solar plus storage facility.
Why These Companies Matter
These developers are reshaping the American energy landscape by adding gigawatts of clean power to the grid, creating thousands of jobs, and helping states and corporations meet aggressive climate goals. As federal and state policies continue to support renewable energy growth, these companies are expected to expand their portfolios and push the U.S. further toward a sustainable energy future.
