In the first nine months of 2025, more than three-quarters of the electrical generating capacity added in the United States was solar power, according to new data published by the Federal Energy Regulatory Commission (FERC) in December. Electricity generation by the U. In our latest Short-Term Energy Outlook (STEO), we expect U. 6% in 2027, when it reaches an annual total of 4,423 BkWh. Sheep grazing at Dominion Energy solar installation. Image: Dominion Energy Dominion Energy proposed in its annual clean energy filing with the Virginia State Corporation. The US solar industry installed 11. 7 gigawatts direct current (GWdc) of capacity in Q3 2025, a 20% increase from Q3 2024, a 49% increase from Q2 2025, and the third largest quarter for deployment in the industry's history. Following a low second quarter, the industry is ramping up as the end of. But as California works toward its ambitious clean energy vision, an almost counterintuitive challenge has emerged: The state is, at times, generating more solar energy than it can handle. 7 times faster than projected before the IRA took effect (Exhibit 1). The IRA is expected to stimulate domestic manufacturing of modules, subcomponents, inverters, trackers, and. In 2023, the United States generated approximately 4.