Solar by City / South Dakota / Rapid City
Data last verified: 2026-08Is Solar Worth It in Rapid City, South Dakota? (2026)
The honest answer depends on four numbers unique to Rapid City: your electricity rate, your solar production, your net metering policy, and your state incentives. Here are the real figures, with sources and dates. City production is a modeled estimate derived from South Dakota's real NREL PVWatts v8 value adjusted for local latitude.
Solar Snapshot for Rapid City, South Dakota (2026)
| Residential electricity rate | 14.2¢/kWh (EIA, 2026 YTD May) |
| Solar production (modeled) | ~1309 kWh per kW per year (derived from NREL PVWatts v8 1310 kWh/kW, latitude-adjusted) |
| Net metering | full-retail net metering |
| State tax credit | None in 2026 |
| Rebates / performance | None |
| SREC market | No active SREC market |
| Property tax exemption | No |
| Sales tax exemption | No |
Estimate Your Own Payback in Rapid City
The table above is a 6 kW benchmark using South Dakota's real inputs. Your home is different — use the Solar ROI Calculator with South Dakota pre-loaded to get your exact payback, or the 30-second worth-it quiz for a go/no-go verdict.
Rapid City FAQ
How much solar production can I expect in Rapid City?
PVFig models Rapid City at ~1309 kWh per kW installed per year, derived from South Dakota's NREL PVWatts v8 state value (1310 kWh/kW) adjusted for the city's latitude. This is a modeled estimate — a site-specific PVWatts run with your exact roof azimuth, tilt and shading will differ. Actual output also depends on panel quality and local weather.
What is the estimated solar payback in Rapid City?
At a typical 2.80/W installed cost and 14.2¢/kWh electricity, a 6 kW system in Rapid City has an estimated payback of about 14.4 years. That is a long payback — solar is hard to justify unless strong state incentives apply.
Does South Dakota have net metering and a solar tax credit in 2026?
South Dakota uses full-retail net metering. There is no state income tax credit for residential solar in 2026. The federal residential credit (Section 25D) expired Dec 31, 2025 and does not apply to 2026 installations.
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Read →Compare South Dakota with nearby states
- Massachusetts — 30.1¢/kWh, ~1302 kWh/kW
- Connecticut — 29.8¢/kWh, ~1252 kWh/kW
- Maine — 29.7¢/kWh, ~1319 kWh/kW
- New Hampshire — 26.8¢/kWh, ~1259 kWh/kW
- Rhode Island — 29.5¢/kWh, ~1294 kWh/kW
- Vermont — 23.9¢/kWh, ~1222 kWh/kW