14 min read·
Residential energy costs in 2026: home solar, efficiency upgrades, and electrification ROI breakdown
U.S. residential solar installation costs averaged $2.85/W in 2025, down 8% year-over-year, while whole-home electrification retrofits range from $15,000-$45,000. This guide breaks down costs, incentives (including the 30% ITC), financing options, and payback periods across climate zones and utility rate structures.