Estimate payback for adding a battery to your existing solar system. Savings are highest in high-rate states with time-of-use pricing.
Your Estimated Results (2026)
Net Cost After Incentives:
Estimated Annual Savings (Year 1):
Simple Payback Period: years
10-Year Total Savings (with escalation):
25-Year ROI:
Important: This is an estimate only. Actual results depend on your exact rate plan (especially Time-of-Use hours), solar production, usage patterns, and local incentives.
California and high-rate states generally see the strongest battery ROI due to large peak/off-peak gaps and lower export credits.
Federal ITC may no longer apply fully in 2026 for residential battery retrofits — check current SGIP (CA) or state rebates. Always get a site-specific quote.
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