Plug-In Solar in Missouri — Status: deferred
Bill: HB 2528 / HB 2444 — Plug-In Solar Device Consumer Access Act
Sponsor: Rep. Jeff Knight (HB 2528)
Legislative Status: Deferred until 2027. HB 2528 and HB 2444 were introduced but did not advance this session. Sponsors plan to reintroduce in 2027.
Current Status: Deferred — Did Not Advance This Session (2026). Sponsors plan to reintroduce in 2027.
Is Plug-In Solar Legal in Missouri?
A dedicated statewide plug-in solar pathway is not currently active in Missouri; HB 2528 / HB 2444 is listed as deferred. 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 | 12.8¢/kWh |
| Estimated Annual Savings | $160/year |
| TOU Rate Spread | 4¢/kWh |
| Peak Sun Hours/Day | 4.7 |
| Retail Choice | none |
Key Provisions
Would have exempted certified plug-in solar devices from PSC interconnection requirements.
What You Can Do
No specific plug-in solar law. Traditional solar available with standard interconnection.
What You Can't Do (Yet)
Ameren Missouri and Evergy currently require interconnection agreements.
Available Rebates & Incentives
Net metering available through Ameren Missouri and Evergy. No active state solar tax credit or rebate program in Missouri. The federal 30% ITC (Section 25D) expired December 31, 2025.
Incentive Program Links
- DSIRE — Missouri Solar Incentives — Full list of Missouri state and utility solar incentive programs.
Demographics (US Census 2023)
| Population | 6,196,156 |
| Total Households | 2,465,490 |
| Owner-Occupied | 1,680,074 |
| Renter-Occupied | 785,416 |
| Single-Family Homes | 1,838,890 |
| Apartment Units (5+) | 287,898 |
| Median Household Income | $67,268 |
| Median Home Value | $215,300 |
Solar Resource Data (NREL PVWatts)
| Peak Sun Hours/Day | 4.89 |
| Optimal Tilt Angle | 20° |
| Optimal Azimuth | Due South (180°) |
| Est. Annual kWh (800W system) | 1077 kWh |
| Best Solar Months | April–September |
Major Utilities
| Utility | Customers | Net Metering |
|---|---|---|
| Ameren Missouri | ~1.2 million customers | Yes |
| Liberty Utilities (formerly The Empire District Electric Company) | ~164,000 electric customers | Yes |
| Evergy Missouri (Metro and West) | ~1.7 million customers | Yes |
News Coverage
- Balcony solar is taking state legislatures by storm — Canary Media (February 2026)
Explore Your Next Steps in Missouri
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 MO setup readiness — Review placement, outlet, property, and state-rule questions before choosing equipment.
- Estimate savings in Missouri — 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.