Is Solar Still Worth It When Electricity Rates Keep Climbing

Last updated: October 28, 2026. Prices, tariffs and incentives change often, so every figure below carries its date.

Key takeaways

• Rising rates help solar, but only your own rate matters. A 2% yearly rise versus a 5% rise moves a typical US payback from about 11.5 years to about 10 years.
• The US lost its homeowner tax credit. Section 25D ended on December 31, 2025, so 2026 purchases get no 30% federal credit.
• The UK still has a window. Solar installs are 0% VAT until March 31, 2027, then 5%.
• In the Gulf, the tariff slab and the export rule decide everything. Dubai credits exports at your own slab rate. Saudi Arabia pays far less for exports than it charges for imports.

Is solar worth it? The short answer by region

Rates are climbing hardest in the US and UK, which is where solar's case improves most. Gulf tariffs are regulated and mostly flat, so the question there is different: how much of your bill sits in the expensive slabs, and can you get credit for what you export?

These paybacks are my own calculations from the assumptions shown in each section. They are estimates, not quotes.

Why rising electricity rates improve the case for solar

Solar is a prepayment. You pay today for about 25 years of electricity at a fixed cost per kWh, and each cent the grid adds makes that prepayment look smarter.

The US numbers are moving the right way for that argument. The U.S. Energy Information Administration expects residential prices to average 18.2 cents per kWh in 2026, and expects East Coast prices to grow as much as 7% a year for the next two years. Separate EIA data reported by Newsweek shows the national residential average rising 7.3% between April 2025 and April 2026, from 17.55 to 18.83 cents. New York was at 29.93 cents in May 2026.

The UK tells the same story. Ofgem raised the typical price cap by 4% for October to December 2026, to £1,723 a year, with electricity at 26.32p per kWh. Some forecasters expect a further rise of up to 14% in January. That is a prediction, not a decision, so treat it as a risk rather than a plan.

The Gulf behaves differently. Tariffs there are set by regulators and often subsidised, so changes arrive as policy, not market swings. Bahrain, for example, raised its non-subsidised tier from 29 to 32 fils per kWh in January 2026. Saudi Arabia's residential tariff of 18 and 30 halalas has applied since January 1, 2018. If you live in the Gulf, solar protects you from future reforms more than from today's bill.

One caution applies everywhere. A rate rise only helps if your panels displace the kWh that got more expensive, and only if your utility credits exports fairly. Both depend on local rules, not on the headline price.

What changed in 2026 that works against solar

Two policy changes make the old "solar pays for itself in 6 years" claims out of date.

The US homeowner tax credit is gone. The One Big Beautiful Bill Act ended the Section 25D credit for expenditures after December 31, 2025. Wood Mackenzie analysts quoted by EnergySage expect payback to stretch by about two years without it. Leases and power purchase agreements can still pass through a business credit (Section 48E), but terms vary, so read the contract before assuming a saving.

The UK VAT break is on a clock. Installs are 0% VAT until March 31, 2027, then 5% from April 1, 2027. On a £7,000 system, that is about £350 more if you sign after the deadline.

The math: three worked examples

These use simple payback: system cost divided by yearly savings. They ignore financing, inverter replacement and taxes. Change the inputs to match your own quote.

Example 1: US home, 8 kW system (2026 prices, USD)

EnergySage says its average shopper breaks even in 10.8 years, which sits inside this range. Over 25 years, the 3% case returns about $62,000 in gross savings (about $39,500 after the system cost). The flat-rate case returns about $43,000 gross (about $20,300 net). Both are positive. The gap between them is the value of rate increases.

Where this breaks: if your utility credits exports below the retail rate, as California's net billing rules do, payback gets longer. Ask your installer to model your actual export credit.

Example 2: UK home, 4 kW system (2026 prices, GBP)

That matches Selectra's 2026 estimate of 9 to 14 years for solar without a battery, with SEG rates running from 5p to 15p. If electricity VAT returns at 5% after March 2027, add about £23 a year to the benefit. Using more of your solar yourself is worth more than chasing a high export rate, because 26.32p beats any export tariff in the table.

Example 3: Dubai villa, 8 kW system (2026 prices, AED and USD)

Dubai's net metering credits exports at your own slab rate, and credits roll over indefinitely. DEWA's published residential slabs are 23, 28, 32 and 38 fils per kWh plus a 6 fils fuel surcharge, which gives 29, 34, 38 and 44 fils in total. There are no direct subsidies, according to a Shams Dubai FAQ.

Installer guides quote 4 to 8 years. That range only holds if your household sits in the upper slabs and you get a keen price. Check your own monthly kWh on a DEWA bill first. A household that never leaves the 23 to 28 fils slabs saves less per kWh and waits longer. Dollar figures use the AED peg of 3.6725 per USD.

Solar in the Gulf: what each country's rules mean for you

United Arab Emirates

Rules differ by emirate. Dubai offers net metering at your slab rate, requires a DEWA-accredited contractor, and has banned ground-mounted systems under Shams Dubai since May 2020. Abu Dhabi gives kWh offset only, with no cash payment. Expatriate households there pay 26.8 to 30.5 fils per kWh, while UAE nationals pay 6.7 to 7.5 fils, so the same panels make a very different investment depending on who owns the villa.

Saudi Arabia

Residential power costs SAR 0.18 per kWh up to 6,000 kWh a month and SAR 0.30 above that, per the tariff table effective May 2025. Reported export compensation is SAR 0.07 per kWh, so solar only works if you use most of what you generate. A big villa with summer air conditioning often does.

Instead of guessing a payback, use this break-even. At 1,800 kWh per kW per year (the yield used in a Saudi villa study), one kW saves SAR 324 a year in the SAR 0.18 slab and SAR 540 in the SAR 0.30 slab.

If a licensed installer quotes above those numbers, expect a payback longer than 10 years. Dollar figures use the SAR peg of 3.75 per USD.

Qatar, Kuwait, Oman and Bahrain

The picture is thinner here, and it is changing. As of 2026 guides, Qatar has no retail net metering program. Kuwait has none either, plus a residential tariff of about KWD 0.002 per kWh, with a small 10 kW residential pilot launched in 2026. Oman's Sahim scheme pays for exports at the bulk supply tariff instead of netting them. Bahrain's net metering, running since 2017, gives energy credits rather than cash. At these tariffs, the honest answer for most homes is that solar will not pay back quickly on bills alone. Check with your local utility before signing anything, because rules here move faster than guides.

Heat and dust: what they do to your output

Gulf sunshine is strong, but heat and dust take a cut.

Heat. Panels lose power as they warm above 25°C. TOPCon panels typically lose 0.29 to 0.32% per °C, and older PERC panels about 0.35 to 0.40%. At a 65°C cell temperature, which is realistic on a Gulf summer roof, a TOPCon panel gives up roughly 12% of its rated power. Compare the temperature coefficient on datasheets, not just the wattage.

Dust. A UAE University study found that cleaning every 15 days held dust losses near 4%. Left alone, losses build fast: a test facility in Qatar recorded 10 to 20% power loss per month at a 22° tilt. A cleaning contract is part of the real cost of a Gulf system, which is why the Dubai example above includes one.

When solar is not worth it

• Your roof is heavily shaded, or faces the wrong way, and the installer's production estimate is low.
• You plan to move within five to seven years and your market doesn't pay a premium for solar homes.
• You are in a low-tariff country with no export credit, and your usage stays in the cheapest slab.
• You rent the property and the owner won't share savings or allow the install.
• Your quote is far above the local per-watt average, and a second quote doesn't fix it.

How to check your own numbers in 15 minutes

1. Pull 12 months of bills. Note total kWh and the rate on your highest-priced slab.
2. Find your marginal rate. The kWh your solar replaces are the most expensive ones, not the average.
3. Get two or three quotes from licensed installers. Ask for system size in kW, price per watt, expected yearly kWh and the warranty terms.
4. Ask how exports are credited. Net metering at retail, a flat export rate and kWh offset give very different results.
5. Divide cost by net yearly savings. Add cleaning and a future inverter replacement. If the result is under your planned ownership period, solar is worth a closer look.

Frequently asked questions

Is solar worth it if electricity rates keep going up?

Usually yes in markets where you pay 18 cents per kWh or more and your utility credits exports fairly. Each yearly rate rise shortens payback, but only on the kWh your panels displace. Run the math with your own marginal rate and local export rule.

Is solar still worth it without the US federal tax credit?

For many homes, yes, but with a longer wait. The 30% credit ended on December 31, 2025, and analysts expect payback to be about two years longer. EnergySage reports an average payback of 10.8 years for its shoppers, with high-rate states faster.

Is solar worth it in Dubai?

Often, for villas that reach the upper DEWA slabs. In the example above, an 8 kW system pays back in about 7 to 10 years, depending on which slab it offsets. Smaller households in the cheapest slabs wait longer.

Is solar worth it in Saudi Arabia, Kuwait or Qatar?

On bills alone, it is hard to justify in Kuwait and Qatar, and marginal in Saudi Arabia unless you consume in the SAR 0.30 slab and get a low price per kW. Rules and tariffs are changing, so confirm with your utility.

How much do heat and dust reduce solar output in the Gulf?

Heat can cut a TOPCon panel's power by about 12% at a 65°C cell temperature. Dust is the bigger variable: about 4% loss with cleaning every 15 days in one UAE study, and far more without it.

Bottom line

Solar is still worth it for homeowners who pay high marginal rates, can credit their exports, and plan to stay in the home for ten years or more. It is a weaker deal where tariffs are subsidised and low. Run your own numbers before you sign, and compare quotes in price per watt or price per kW.

Related guides

• How net metering works, and what happens without it
• Solar panel cost breakdown: price per watt explained
• How to calculate your solar payback period step by step
• Solar panels in hot, dusty climates: heat, soiling and cleaning
• How to compare solar quotes from licensed installers

Sources

1. U.S. Energy Information Administration, Short-Term Energy Outlook: electricity
2. Newsweek: electricity prices by state (EIA data to April 2026)
3. Empire Center: New York energy report, August 2026
4. Solar.com: end of the 25D solar tax credit
5. EnergySage: solar savings after the federal tax credit
6. EnergySage: solar payback period
7. ConsumerAffairs: how much do solar panels cost in 2026
8. Ofgem: energy price cap changes, October to December 2026
9. PayPlan: Ofgem price cap hits three-year high
10. Uswitch: October 2026 price cap unit rates
11. Money to the Masses: October 2026 cap and January prediction
12. Heatable: UK solar panel costs 2026 (prices, 0% VAT to March 2027)
13. Selectra UK: solar payback and SEG rates, 2026
14. SurgePV: DEWA Shams Dubai 2026 guide
15. Property Finder: solar panels for homes in the UAE (September 2025)
16. Voltflow: electricity cost in the UAE 2026
17. Dubizzle: Shams Dubai FAQs
18. Qbits Energy: UAE solar regimes and Abu Dhabi tariffs (August 2026)
19. Argaam: Saudi tariffs effective January 2018
20. Marafiq: Saudi power tariff table, effective May 2025
21. SurgePV: Middle East solar compliance 2026
22. Research Square: rooftop PV for new Saudi villa developments
23. SurgePV: solar incentives in Kuwait 2026
24. SurgePV: solar incentives in Oman 2026
25. OGN News: Bahrain rooftop solar and tariffs
26. Portlandia Electric Supply: temperature coefficients explained
27. Sustainability (MDPI), UAE University: optimal PV cleaning interval
28. PV Tech: PV soiling in dry climates