Solar Quotes in St. Louis, MO
If Ameren Missouri is your utility
- Ameren Missouri's net-metering tariff (Schedule 6, Sheet 171, effective March 1, 2025) credits net energy delivered to the grid at its Net Metering Rate (Avoided Fuel Cost): 3.84¢/kWh in June–September and 3.39¢/kWh in October–May. The customer charge and other rate provisions still apply, and these rates are updated in odd-numbered years. Source: https://www.ameren.com/-/media/rates/files/missouri/uecsheet171eppnetmetering.pdf (accessed 2026-10-20)
- Excess-generation credits expire without compensation at the earlier of 12 months after issuance or when you disconnect service or end the net metering relationship. Source: https://www.ameren.com/-/media/rates/files/missouri/uecsheet171eppnetmetering.pdf (accessed 2026-10-20)
- For systems of 100 kW or less, Ameren Missouri approves or denies the interconnection application within 30 days for systems of 10 kW or less (90 days if larger). Liability insurance isn't required at 10 kW or less; larger systems need at least $100,000 of coverage. Source: https://www.ameren.com/-/media/rates/files/missouri/uecsheet171eppnetmetering.pdf (accessed 2026-10-20)
A note on the federal tax credit
The federal residential clean energy credit (25D) doesn't apply to expenditures made after December 31, 2025. The IRS treats an expenditure as made when installation is completed. Source: https://www.irs.gov/newsroom/faqs-for-modification-of-sections-25c-25d-25e-30c-30d-45l-45w-and-179d-under-public-law-119-21-139-stat-72-july-4-2025-commonly-known-as-the-one-big-beautiful-bill-obbb (accessed 2026-10-20). This page isn't tax advice.
Questions to ask
- Which Ameren Missouri tariff or rider does your estimate assume, and at what export credit?
- How much of my production does your estimate assume I'll use on site versus export?
- What happens to my credits if I move or close my account?
Get one quote from one installer
Request a free quote. SolarMatchup sends your request to exactly one local installer and never resells it. We don't guarantee savings or incentive eligibility. Results depend on your home, usage, rates and financing.