Updated October 2026. Solar panels can be worth considering for a rental, but the investment starts with three questions: can the roof support the system, which meter will receive its output, and who pays that electricity bill? A lower tenant bill does not automatically become income for the owner.
There are a variety of factors that influence the value of solar panels for your specific property. Before considering the benefits solar panels may have on your rental, you should figure out how much they will cost you in total. Compare the project with other repairs competing for the same capital.
Start with the roof and the meters
The Department of Energy’s solar guide identifies roof age, shade, size, shape and slope as suitability factors. Have a roofing professional assess remaining roof life and a qualified solar installer assess mounting and structural needs. If replacement is approaching, price that work before installation and ask who pays to remove and reinstall panels later.
Collect a year of electricity bills for the meter you intend to serve. For a multifamily building, map tenant meters separately from the owner-paid common-area meter. Ask the utility to confirm the proposed connection and any eligible bill-credit allocation arrangement. Do not assume one rooftop array will reduce every apartment’s bill.
- Owner pays electricity: model the reduction in that account’s charges, including seasonal vacancy and common-area loads.
- Tenant pays electricity: treat bill savings as a tenant benefit. Use no assumed rent premium in the base case.
- Several accounts: obtain a written explanation of eligible meters, account holders, credit allocation and what happens at turnover.
Before changing utility billing or adding a solar charge, have the proposed lease language and local requirements reviewed. Explain the billing arrangement, service contact and access needs to residents.
Separate electricity used onsite from electricity exported
Production alone does not establish savings. Request an estimate showing how much electricity the connected account uses while the panels generate it, how much goes to the grid, and the charges that remain. The FTC’s solar guidance explains that fixed utility charges can remain even when purchased electricity falls.
California example: the CPUC’s net-billing guidance applies to PG&E, SCE and SDG&E territories. It says new interconnection applicants have taken service under the net billing tariff since April 15, 2023; export credits are usually lower than retail electricity rates. This is not a rule for every California utility or every existing system.
For SDG&E specifically, its Solar Billing Plan values exports by hour and directs community-choice customers to their generation provider for import and export pricing. Obtain the actual tariff for your account. Do not use an old retail-rate net-metering assumption. Price a battery separately, including its operating strategy, replacement provision and warranty.
Verify incentives under the changed federal rules
The IRS Residential Clean Energy Credit page states that the credit is unavailable for property placed in service after December 31, 2025. It also states that a landlord who does not live in the home cannot claim that residential credit. A new 2026 rental project should not be sold on an automatic 30% residential credit.
A rental-business project needs its own tax analysis. Under IRS Notice 2025-42, the wind and solar termination provisions for sections 45Y and 48E apply to facilities beginning construction after July 4, 2026 and placed in service after December 31, 2027. The Form 3468 instructions also describe prohibited-foreign-entity restrictions. Meeting a date alone does not establish eligibility. Ask your tax adviser to verify ownership, qualifying costs, construction evidence and applicable restrictions before including any credit in the budget.
Compare financing and service obligations
Request an itemized cash price and a separate financed price. Include roof work, electrical upgrades, permits, interconnection, monitoring, maintenance and future component replacement. Compare interest, fees, payment changes and sale or refinancing conditions.
With a solar lease or power purchase agreement, distinguish the equipment owner from the rental-property owner. The FTC recommends checking payment increases, maintenance responsibility, termination charges and contract-transfer requirements. Have your adviser review incentive ownership rather than assuming the host receives a credit.
Get equipment, workmanship and roof-penetration warranties in writing. Confirm whether labor, shipping and removal are included, who handles a failed inverter, and what service is available if the installer closes. Ask your rental-property insurer about coverage, exclusions and any premium change before signing; do not assume the existing policy covers the installation.
A hypothetical payoff check
Illustration only: suppose an owner-paid meter gains $2,400 in annual avoided charges and export credits. Subtract a hypothetical $400 annual service and replacement reserve, leaving $2,000 before financing and taxes. A $24,000 cash project with no assumed incentive has a simple payback of 12 years. If annual debt payments are $2,200, annual cash flow after that reserve and debt is negative $200.
These are invented assumptions, not a quote, utility rate or savings forecast. Simple payback excludes discounting and future changes. Recalculate with lower production, downtime and the actual tariff. If the tenant receives the benefit, the owner cannot count that $2,400 as owner savings.
Frequently asked questions
Who benefits when the tenant pays the electric bill?
The tenant generally receives the connected account’s bill savings. The owner should not count those savings as owner cash flow or assume an automatic rent increase.
Can a new 2026 system use the residential solar credit?
The IRS says the Residential Clean Energy Credit is unavailable for property placed in service after December 31, 2025. A rental-business project requires a separate tax eligibility review.
Should solar wait until the roof is replaced?
Have a roofing professional assess remaining roof life before deciding. Compare coordinated replacement with the later cost and warranty implications of removing and reinstalling panels.
Sources and verification
Checked October 5, 2026. This is general information, not legal, tax, insurance or investment advice. Eligibility and account tariffs require property-specific review.
- DOE: solar suitability and production — roof and savings variables; its older tax discussion is not used.
- FTC: buying, financing and servicing solar — written bids, ongoing charges, warranties and contract transfers.
- CPUC: net billing and SDG&E: Solar Billing Plan — narrowly scoped utility treatment.
- IRS: residential credit, Notice 2025-42 and 2025 Form 3468 instructions — changed deadlines and separate business-credit restrictions.
