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No installer in Puerto Rico posts a price, so the only figure is a modeled $3.00 per watt, about $10,500 for a 3.5 kW array before the battery that most island systems add. What you can pin down is your rate: 29.24¢ per kWh for July to September 2026, and that is the number every quote has to beat.
Compare island quotes with the battery priced separately
Storage is usually the biggest line in a Puerto Rico quote, and the one two bids differ on most. Enter your ZIP code to find installers who price it as its own line.
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What a kilowatt-hour costs on your LUMA bill this quarter
Your bill is not one rate. It is a small base charge plus a stack of riders that the Energy Bureau resets every three months. A Puerto Rico rate quoted without a date is close to meaningless. For the national picture, see the nationwide cost benchmarks.
July to September 2026, cents per kWh (April to June in brackets)
The all-in rate fell 2.66¢, about 8.3%, under Energy Bureau Order 46203.
The $8.00 you keep payingA $8.00 monthly customer charge sits on top of the rate. Solar does not remove it, no matter how much you generate.
Ignore the “$0.26 per kilowatt-hour” figureIt is the January to March press number. It was never the all-in residential rate, and it is now two quarters out of date.
Why the July bill fell, and why power did not get cheaper
Read the last rows of the rate stack together. Your bill fell because two charges finished, not because the island got cheaper to run.
What expired
The pension rider (1.919¢) and the provisional rider (1.493¢) both went to zero on July 1. Together they are more than the whole 2.66¢ drop.
What went up underneath
The cost of buying power from third parties rose. Fuel barely moved: down only 0.228¢.
What the drop means for solarA home using 800 kWh a month saw about $21 a month leave the bill, roughly $255 a year. That is $255 of savings solar no longer has to go and find.
Run the payback on your own bill before anyone quotes you
Take your last bill, find your monthly kWh and multiply by 29.24¢. A home on 800 kWh a month spends about $234 on energy plus the $8.00 charge, near $2,900 a year. Of that, $2,808 a year is energy charges solar can offset. Divide any quote by what the system will actually erase.
Offset matters as much as priceA cheaper system that covers only 70% of your usage can pay back slower than a dearer one that covers 90%. Make every bidder state the offset they promise, in kWh, next to their price.
Rates move every rowRising rates shorten every payback. A rate that just dropped 2.66¢ lengthens them slightly.
191,929 solar roofs, 171,372 batteries: why island quotes are not mainland quotes
Nearly every system here includes a battery. A San Juan quote is a solar-plus-storage system, and a mainland price is usually a bare array. At the end of 2025 the island counted:
The 1,456 MW installed across those systems averages 7.6 kW per system. That pool includes commercial roofs, so a typical home sits below it.
Price the battery on its own lineStorage is often the largest single line in an island quote, and the line most likely to differ between two bids for the same roof. Ask for the array and the battery priced separately before you compare anything.
Four installers checked, zero prices posted
In August 2026 we checked every solar company in our Puerto Rico database against its own website: Power Solar, WindMar Home, Máximo Energy and ProSolar Systems. None shows a system price, a cost per watt, a system size or a sample monthly payment. Power Solar names its financing partners and routes you to a consultation. WindMar links a financing page with no figures. This is how the island market works, for three reasons.
+What makes every island quote different
- The batteryCapacity, chemistry and inverter pairing swing the total far more than panel count does. One headline price would mislead nine buyers out of ten.
- Roof and structural workHurricane-rated attachment, older concrete roofs and re-roofing before mounting are common here. They land in the same contract and are priced per house.
- A rationed incentiveWhether you get a Programa Incentivo Solar ticket changes your net cost by thousands. No installer can promise you a place in the queue.
Up to $15,000
−What you can pin down before a quote
- Your rate29.24¢ per kWh all in for July to September 2026, published to the seventh decimal.
- Your own usageThe monthly kWh on your last bill. Multiply by the rate to see what a system has to beat.
- A panels-only floorAbout $3.00 per watt, modeled. It excludes the battery most island systems include, so treat it as a rough floor, not a quote.
The benefits that pay back after the install, not off the sticker
What Puerto Rico offers pays over time rather than at signing, and it is genuinely strong.
A quote that subtracts 30% is wrongThe federal Section 25D credit is $0 for any system whose installation is completed after December 31, 2025, under Public Law 119-21. If a salesperson takes 30% off your total, the quote and its payback are both wrong.
Exports are credited at the retail rate, and the Energy Bureau cannot revisit the tariff until 2031. At 29.24¢, it is the most valuable export treatment in the United States. The Financial Oversight Board sued to nullify the 2024 amendment on July 26, 2024, and the case is still live.
Rationed by ticket, not granted on application, and it needs an authorized installer engaged first. incentivosolar.pr.gov refused our requests on August 16, 2026. Call 787-522-2000 to confirm your own position before you count on it.
Paid for power your battery delivers during grid events, through five approved aggregators. Now a full FY2026 to FY2028 program, no longer a pilot.
IVU and property tax exemptions on qualifying equipment. They lower the total without showing up as a rebate.
A quote leaning on an upfront discount describes a world that ended in December. A quote built on retail-rate export credits and battery dispatch income describes the one you live in. Our Puerto Rico incentives guide walks each program in full, including three that competitors still advertise and that no longer exist.
When to hold off on solar in Puerto Rico
None of this is a reason to stay on the grid at 29.24¢. It is a reason to wait until the quote answers for itself:
- Your quote still subtracts the 30% federal credit. The arithmetic is wrong by thousands, and so is the payback. Ask for it to be rebuilt before you compare it to anything.
- Your roof needs work first. Mounting on a roof with a few years left means paying to remove and reinstall the array later. That cost is rarely in the original bid.
- You are counting on Programa Incentivo Solar without a confirmed ticket. A missing $15,000 adds about 6 years to the payback at 90% offset, and about 7.6 years at 70%.
- You are being sold a battery with no dispatch plan. If nobody mentions an aggregator or the Customer Battery Energy Sharing program, the most expensive part of your system does one job when it could do two.
What to make a Puerto Rico bidder put in writing
Every point below comes from the math on this page. Ask each bidder to answer it on paper:
- What does the array cost, and what does the battery cost, as separate lines?
- What share of my bill will the system offset, in kWh a year?
- Does the price or payback subtract a 30% federal credit? It should not.
- Which aggregator will enroll my battery in the Customer Battery Energy Sharing program?
- Are you an authorized Programa Incentivo Solar installer, and is my ticket confirmed?
- Does the payback use 29.24¢ and the $8.00 charge, not the old $0.26 figure?
To compare companies before you compare prices, start with our ranked Puerto Rico installers, then come back with their numbers.
Get bids that answer in writing
You have the rate, the arithmetic and the questions to put to a bidder. Enter your ZIP code and we will bring you installers who answer them in writing.
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More Puerto Rico solar guides
Frequently asked questions
How much do solar panels cost in Puerto Rico in 2026?
No installer on the island posts a price. We checked Power Solar, WindMar Home, Máximo Energy and ProSolar Systems on their own sites in August 2026 and none shows a system price, a cost per watt or a sample payment. Island quotes almost always include a battery, which is usually the largest line, so ask for the array and the storage to be priced separately before comparing bids.
What is the electricity rate in Puerto Rico right now?
29.24¢ per kilowatt-hour all in for July through September 2026, under Energy Bureau Order 46203. That is an 8.648¢ base energy charge plus 20.591¢ of riders, plus an $8.00 monthly customer charge. The riders reset every quarter, so any Puerto Rico rate quoted without a date is unreliable.
Why did my LUMA bill go down in July 2026?
Two riders ended. The pension costs rider at 1.919¢ and the provisional rider at 1.493¢ both went to zero on July 1, 2026, worth 3.41¢ together. Fuel fell only 0.228¢ and purchased power actually rose 0.617¢, so the net drop was 2.66¢ per kilowatt-hour, about 8.3%. On 800 kWh a month that is roughly $21.
Do I need a battery with solar in Puerto Rico?
Nearly everyone buys one. At the end of 2025 the island had 191,929 rooftop solar systems and 171,372 distributed batteries, an attachment rate near 89%, averaging 16.7 kWh each. Storage is also the line most likely to differ between two bids, and LUMA’s Customer Battery Energy Sharing program pays $1.00 per kilowatt-hour delivered during grid events.
Does Puerto Rico still have net metering?
Yes, at full retail value. Act 114-2007 as amended by Act 10-2024 credits exports at the retail rate and bars the Energy Bureau from revisiting the tariff until 2031. At 29.24¢ that is the most valuable export treatment in the United States. The Financial Oversight Board filed suit to nullify the 2024 amendment on July 26, 2024 and that case remains live.
Can I still claim the 30% federal solar tax credit in Puerto Rico?
No. Section 25D is $0 for any system whose installation is completed after December 31, 2025, under Public Law 119-21. Any quote that subtracts 30% on that basis is wrong. Puerto Rico’s remaining support arrives after the install instead: retail-rate net metering, the ticketed Programa Incentivo Solar at 30% up to $15,000, battery dispatch payments, and the Act 83-2010 sales and property tax exemptions.
How we calculate these costs
Rate figures come from the LUMA FY2027 tariff book (General Residential Service base charge) and the Table of Factors for Adjustments, as approved in Energy Bureau Resolution and Order 46203 for July to September 2026, retrieved August 16, 2026. EcoGen recomputed the fuel and purchased power riders from the Energy Bureau’s reconciliation inputs against 4,215,309,392 kWh of retail sales and matched the posted values to seven decimals. Payback is simple payback on $2,808 of yearly offsettable energy charges, with no financing cost and no rate escalation. Riders reset quarterly, so these figures are refreshed each quarter. The $3.00 per watt, 3.5 kW and $10,500 are Puerto Rico’s modeled entry in the EcoGen Solar Cost Index (v2 method): panels only, no battery, and not part of the $2.90 national average.
Sources (6)
- LUMA Energy, Current Rates for Electric Service in Puerto Rico: FY2027 tariff book and Table of Factors (retrieved August 16, 2026): lumapr.com
- Puerto Rico Energy Bureau (NEPR), Resolution and Order 46203 and Order 46108: quarterly rider reconciliation (accessed August 16, 2026): energia.pr.gov
- U.S. Energy Information Administration, Today in Energy, April 2, 2026: rooftop solar and storage counts at the end of 2025: eia.gov
- Government of Puerto Rico, Act 114-2007 as amended by Act 10-2024; Act 83-2010 (accessed August 16, 2026): energia.pr.gov
- IRS, One, Big, Beautiful Bill Provisions: Public Law 119-21 and the end of Section 25D (accessed August 15, 2026): irs.gov
- Power Solar, WindMar Home, Máximo Energy and ProSolar Systems, own-site published disclosures (verified August 16, 2026)
