Plug-In Solar in South Dakota — Status: unclear
Is Plug-In Solar Legal in South Dakota?
No dedicated statewide plug-in solar law is identified in our tracker for South Dakota. That does not automatically permit or prohibit every configuration: grid-connected, zero-export, and electrically isolated off-grid systems can be treated differently. Before installing or connecting equipment, confirm current utility or interconnection rules, local code or permit requirements, property or lease conditions, outlet and electrical suitability, and the equipment listing and manufacturer instructions.
Last Updated: March 2026
Key Information
| Average Electricity Rate | 12.7¢/kWh |
| Estimated Annual Savings | $155/year |
| TOU Rate Spread | 2¢/kWh |
| Peak Sun Hours/Day | 4.9 |
| Retail Choice | none |
What You Can Do
No specific plug-in solar law. Traditional rooftop solar available. Black Hills Energy offers net metering.
What You Can't Do (Yet)
Utilities require interconnection agreements for grid-tied systems.
Available Rebates & Incentives
Net metering available through Black Hills Energy. No active state solar tax credit or rebate in South Dakota. The federal 30% ITC (Section 25D) expired December 31, 2025.
Incentive Program Links
- DSIRE — South Dakota Solar Incentives — Full list of South Dakota state and utility solar incentive programs.
Demographics (US Census 2023)
| Population | 919,318 |
| Total Households | 360,000 |
| Owner-Occupied | 247,000 |
| Renter-Occupied | 113,000 |
| Single-Family Homes | 250,000 |
| Apartment Units (5+) | 38,000 |
| Median Household Income | $65,000 |
| Median Home Value | $225,000 |
Solar Resource Data (NREL PVWatts)
| Peak Sun Hours/Day | 4.9 |
| Optimal Tilt Angle | 44° |
| Optimal Azimuth | Due South (180°) |
| Est. Annual kWh (800W system) | 1176 kWh |
| Best Solar Months | May–August |
Major Utilities
| Utility | Customers | Net Metering |
|---|---|---|
| Black Hills Energy | ~80,000 customers | Yes |
| Xcel Energy (Northern States Power) | ~90,000 customers | Yes |
| East River Electric Power Cooperative | ~90,000 members | Yes |
Explore Your Next Steps in South Dakota
Use these tools and guides alongside the state-specific rules above to evaluate your space, potential savings, and the right connection approach.
- Compare every state — Return to the national tracker to compare enacted laws, pending bills, and unclear jurisdictions.
- Check your SD setup readiness — Review placement, outlet, property, and state-rule questions before choosing equipment.
- Estimate savings in South Dakota — Use your location and setup assumptions to estimate bill savings and storage value.
- Understand off-grid and grid-connected use — Separate truly off-grid or portable solar from equipment that connects to a building circuit or utility grid.