REAP Grants for Farm Solar and Energy: What's Actually Available in 2026

The Rural Energy for America Program is the reason a lot of farms have solar panels on the barn roof or a grain dryer that costs less to run. In October 2026, USDA rewrote how REAP grants work. Under a final rule published October 1 (in effect October 16), you build the system first, run it for at least 12 months, and then apply with real production numbers. A grant can cover up to 25% of the cost, with a maximum of $500,000 for a renewable energy system and $250,000 for an efficiency upgrade.

If you read about REAP before October 2026, the old numbers (grants up to 50%, up to $1,000,000, apply before you build) no longer apply. Here is the current picture, straight.

What REAP pays for

REAP has two halves, and they fund different things:

Renewable energy systems. If you are generating your own power, REAP can help with systems like:

Solar on farm buildings, or on the ground where the land is not cropland
Wind turbines (also not on cropland)
Anaerobic digesters (turning manure into energy)
Geothermal, small hydro, and certain biomass systems

Energy efficiency improvements. If you are cutting the energy you already use: high-efficiency grain dryers, irrigation pump upgrades, lighting, insulation and HVAC, refrigeration. Our REAP efficiency post covers that half in detail.

What changed for solar

USDA says the new rule focuses REAP on appropriately scaled, on-farm systems, not large or utility-scale solar. In plain terms:

Size the system to your real energy use. The rule talks about limiting oversized ground-mount installations and making sure systems match genuine energy use.
No ground-mount solar or wind on cropland. The rule makes ground-mounted solar panels and wind turbines installed on cropland (as FSA defines it) ineligible, along with retrofits of existing ground-mount systems. A roof-mounted system, or a ground array on land that is not cropland, can still qualify.
Watch where the parts come from. Projects that use prohibited components from foreign adversary nations are excluded.
Some projects are out entirely. The rule makes multi-location projects and certain uses of some technologies ineligible.

A rooftop array, or a modest ground array off your cropland, sized to run your farm is the kind of project the new rule describes. A big array meant mainly to sell power is not. Solar for your house is out too: the rule excludes residential projects.

How much it pays now

Renewable energy systems: a grant request from $1,500 up to $500,000.
Efficiency upgrades: $1,500 up to $250,000.
Your share is at least 75%. The rule requires cost sharing of at least 75 percent of the project cost, so the grant covers 25% at most. On an $80,000 solar system, that is a grant of no more than $20,000.

REAP also offers guaranteed loans, which back a bank loan. You can apply for a REAP grant and a REAP guaranteed loan on the same project, separately, and together they can cover up to 75% of the cost.

Who qualifies

Agricultural producers. For a farm owned by one person or a family, the majority owner has to earn at least half of their income from the farming operation, based on the last full calendar year.
Rural small businesses that meet the small-business size limits.

The new rule lists a rural location as a requirement for every project, so check your address with USDA Rural Development if you farm near a town. And you get one REAP application per federal fiscal year, counting related businesses owned by the same people.

Where things stand right now

The rule is in effect as of October 16, 2026.
No grant window is open yet. USDA will publish annual application windows and a funding notice with the details. Grants will be scored in a single national competition instead of separate state competitions. As of October 15, 2026, we found no REAP funding notice in the Federal Register or on Grants.gov.
Guaranteed loans run on their own rules and are a separate application.

What that means for you:

Do not sign a solar contract because a grant is coming. REAP is competitive, and USDA says funding for every eligible application is not guaranteed.
If the system pays for itself, the new rule lets you build now. Finish it, keep 12 months of records from before and after, and apply in a window that falls 12 to 24 months after you finished.
Save your energy bills now. You will need 12 consecutive months of energy use from before the system went in and 12 months of production after.
Installed a system in the last few years? For the first window after the rule, USDA will accept projects finished 12 to 36 months before you apply, if your records are good.

We track REAP’s status on our REAP program page and update it when USDA opens a window. Always verify against the official USDA REAP page before you commit money.

How a REAP application comes together now

Pull 12 months of energy bills from before the project, and keep them.
Get a resource assessment for a renewable system (or an energy assessment or audit for an efficiency upgrade).
Build the system. The project period wraps up within 30 days after installation.
Run it for 12 months and record what it produces.
Apply in the next REAP window that falls 12 to 24 months after you finished, with real costs, your production data and income documentation.

Is a REAP grant worth the effort?

It can be, but the math changed. At most, the grant now pays back a quarter of the cost a year or two after you build. That still shortens a payback, but it will not rescue a project that does not make sense without it.

A sensible approach: decide on the system as if no grant existed. If it pencils out, build it, keep clean records, and treat a future REAP grant as a bonus. For a broader look at how cost-share and reimbursement programs work across USDA, see our guide to USDA cost-share programs.

Frequently asked questions

How much does a REAP grant cover now? Up to 25% of the project cost under the October 2026 rule. Requests run from $1,500 to $500,000 for renewable energy systems and $1,500 to $250,000 for efficiency upgrades.

Can I apply for a REAP grant right now? Not yet. The new rule took effect October 16, 2026, but USDA has not announced the next application window.

Do I have to build before I apply? Yes. Under the new rule the project must be finished 12 to 24 months before you apply (12 to 36 months for the first window), with 12 months of real data.

Does REAP cover solar panels on a farm? Yes, if the system is sized to your farm’s real energy use and is not a ground-mount array on cropland. USDA says the new rule is aimed at on-farm systems, not large or utility-scale solar.

Do I have to be in a rural area? The new rule lists a rural location as a requirement for every project. Check your address with USDA Rural Development.

Can I combine a REAP grant with a loan? Yes. You can apply separately for a REAP grant and a REAP guaranteed loan for the same project, up to 75% of the cost combined.

The bottom line

REAP still helps pay for farm solar, digesters and efficiency upgrades, but under new rules: build first, prove a year of results, then compete for up to 25% of the cost. Size the system to your farm, keep your energy records, and watch for USDA’s next funding notice.

Want to see which programs are open and taking applications today? Run our free eligibility checker or browse the full deadline calendar.