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.
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)