2026 Colorado Solar ROI & Electric Rate Breakdown by County (20 Counties)
Colorado 1:1 Retail Net Metering with Time-of-Use (Xcel Energy Peak 3pm–7pm at $0.28+/kWh). Colorado Revised Statutes § 39-3-102 provides a 100% Property Tax & State Sales Tax Exemption on residential solar and battery storage systems.
| County | Primary Electric Utility | Avg Rate ($/kWh) | Peak Sun Hours | Est. Yr-1 Savings | Cash Payback | County Teardown |
|---|---|---|---|---|---|---|
| El Paso County | Colorado Springs Utilities | $0.16/kWh | 5.7 hrs/day | $2,419/yr | 11.3 yrs | View Math → |
| Denver County | Xcel Energy Colorado | $0.19/kWh | 5.6 hrs/day | $2,919/yr | 9.4 yrs | View Math → |
| Arapahoe County | Xcel Energy Colorado / CORE Electric | $0.19/kWh | 5.6 hrs/day | $2,888/yr | 9.5 yrs | View Math → |
| Jefferson County | Xcel Energy Colorado | $0.19/kWh | 5.6 hrs/day | $2,919/yr | 9.4 yrs | View Math → |
| Adams County | Xcel Energy Colorado / United Power | $0.19/kWh | 5.6 hrs/day | $2,828/yr | 9.7 yrs | View Math → |
| Douglas County | CORE Electric Cooperative / Xcel Energy | $0.18/kWh | 5.6 hrs/day | $2,693/yr | 10.2 yrs | View Math → |
| Larimer County | Fort Collins Utilities / Poudre Valley REA / Xcel | $0.17/kWh | 5.5 hrs/day | $2,438/yr | 11.2 yrs | View Math → |
| Weld County | United Power / Xcel Energy / Poudre Valley REA | $0.18/kWh | 5.6 hrs/day | $2,648/yr | 10.3 yrs | View Math → |
| Boulder County | Xcel Energy Colorado / Longmont Power | $0.19/kWh | 5.5 hrs/day | $2,822/yr | 9.7 yrs | View Math → |
| Pueblo County | Black Hills Energy Colorado | $0.21/kWh | 5.8 hrs/day | $3,350/yr | 8.2 yrs | View Math → |
| Mesa County | Xcel Energy Colorado / Grand Valley Power | $0.19/kWh | 5.8 hrs/day | $2,898/yr | 9.5 yrs | View Math → |
| Broomfield County | Xcel Energy Colorado / United Power | $0.19/kWh | 5.6 hrs/day | $2,858/yr | 9.6 yrs | View Math → |
| Garfield County | Holy Cross Energy / Xcel Energy | $0.17/kWh | 5.7 hrs/day | $2,572/yr | 10.7 yrs | View Math → |
| Eagle County | Holy Cross Energy | $0.16/kWh | 5.6 hrs/day | $2,437/yr | 11.2 yrs | View Math → |
| La Plata County | La Plata Electric Association (LPEA) | $0.17/kWh | 5.9 hrs/day | $2,726/yr | 10.1 yrs | View Math → |
| Montrose County | Delta-Montrose Electric Association (DMEA) | $0.16/kWh | 5.8 hrs/day | $2,710/yr | 6.8 yrs | View Math → |
| Fremont County | Black Hills Energy / Sangre de Cristo Electric | $0.18/kWh | 5.8 hrs/day | $3,048/yr | 6 yrs | View Math → |
| Summit County | Xcel Energy Colorado | $0.16/kWh | 5.5 hrs/day | $2,570/yr | 7.1 yrs | View Math → |
| Delta County | Delta-Montrose Electric Association (DMEA) | $0.16/kWh | 5.8 hrs/day | $2,710/yr | 6.8 yrs | View Math → |
| Routt County | Yampa Valley Electric Association (YVEA) | $0.16/kWh | 5.4 hrs/day | $2,523/yr | 7.3 yrs | View Math → |
Recommended Home Battery & Hybrid Inverter Kits for Colorado
Turnkey solar salespeople routinely charge $3.60–$4.80/W by bundling 30% loan dealer fees and $12,000+ battery margins. Buying Tier-1 UL9540 hardware directly—either DIY or hiring a local licensed electrician ($1,500–$2,500)—cuts total cost by 50–65%.
EG4 18kPV Inverter + 14.3kWh PowerPro WallMount
The gold-standard UL9540 all-in-one hybrid system. Pair an 18kW PV input hybrid inverter (200A pass-through) with an indoor/outdoor IP65 14.3kWh LiFePO4 WallMount battery—saving $12,000+ vs turnkey quotes.
- 18kW PV Input / 12kW Continuous AC Output (200A Pass-Through)
- 14.3kWh LiFePO4 (8,000+ cycles @ 80% DoD)
- UL9540 & UL1741-SB Certified for Permit Approval
EcoFlow Delta Pro Ultra (6kWh–30kWh Modular)
Skip the $30,000 contractor quote and 6-month utility interconnection wait. Delivers 7.2kW–21.6kW continuous 120V/240V split-phase output and 5.6kW Solar Input right out of the box—expandable up to 90kWh.
- 7,200W–21,600W 120V/240V Split-Phase Output
- 6.1kWh LFP Stackable Battery (scales to 30kWh–90kWh)
- 5,600W Solar Input — Zero Roof Permit Required for Portable PV
Renogy 48V Off-Grid & Hybrid LFP Solar Kit
Complete modular 48V architecture combining high-efficiency N-type bifacial panels, a 48V 3,500W–5,000W MPPT inverter-charger, and smart modular LiFePO4 storage at ~$1.15/W hardware cost.
- 48V High-Efficiency Bus (75% lower copper wire loss)
- Modular 48V 50Ah / 100Ah Smart LiFePO4 Battery Bank
- Complete Plug-and-Play MPPT All-in-One Controller
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