Solar vs Utility Bill Savings
Published 2026-02-15 · Updated 2026-07-07 · MySunROI Research Team
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A properly sized system can offset 80–100% of electricity usage. Savings = production (kWh) × your rate, minus any remaining connection fees.
Monthly savings math
Example: 6 kW system producing 8,000 kWh/year at 15¢/kWh saves ~$1,200/year ($100/month).
- Rates rising 2–4%/year increase savings over time
- Compare payback period after ITC
- Check state page for local rate: Arizona
Solar costs by state
Frequently Asked Questions
Will my bill be zero?
Usually not — connection fees ($10–$25/month) remain.