As of mid-2025, the Residential Clean Energy Credit, commonly referred to as the federal solar tax credit, still offers 30% off eligible installation costs. . If you invest in renewable energy for your home such as solar, wind, geothermal, fuel cells or battery storage technology, you may qualify for an annual residential clean energy tax credit. The Residential Clean Energy Credit equals 30% of the costs of new, qualified clean energy property for your. . The ITC — also known as the Federal Solar Tax Credit — is a popular tax rebate program offered by the US Federal Government for homeowners looking to switch to clean, renewable solar power. Generally, subsidies can cover anywhere from 20% to 50% of installation. . Most homeowners spend between $12,600 and $33,376 to install a complete residential solar system in 2026, with the national average at $19,873 before incentives. Plus, these programs are designed to boost energy efficiency and cut down. .