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Your electric rate just jumped up to 36% — and the worst is still ahead.
Hawaiʻi still generates ~2/3 of its electricity from imported oil. When Brent crude spiked ~50% after the Iran conflict started Feb 28, 2026, that cost flowed straight into the fuel pass-through (ECRC) on every HECO bill.
| Island | Top tier begins | April | May | Change |
|---|---|---|---|---|
| Oʻahu | > 1,200 kWh | $0.4497 | $0.5143 | +14.4% |
| Hawaiʻi Island | > 1,000 kWh | $0.4526 | $0.4817 | +6.4% |
| Maui | > 1,200 kWh | $0.4288 | $0.5012 | +16.9% |
| Molokaʻi | > 750 kWh | $0.4589 | $0.5765 | +25.6% |
| Lānaʻi | > 750 kWh | $0.4971 | $0.6783 | +36.4% |
June fuel charge likely higher than May's
Brent crude touched $126/barrel on April 28 — a four-year high — with the Strait of Hormuz still effectively closed. The fuel HECO is buying at those prices flows into customer bills next month.
Neighbor islands haven't peaked
Hawaiian Electric explicitly told Hawaiʻi Island and Maui County customers to expect increases in both May AND June. Another step-up is already telegraphed for the next filing.
A separate base-rate hike is already filed
HECO filed a $170M annual revenue increase with the PUC — projected to add $11–15/month to a typical residential bill across 2027 and 2028. Drivers: post-wildfire insurance, inflation, accelerated retirement of fossil generation. Independent of fuel costs.
Waiau Repowering already approved
The PUC approved the $847M Waiau project in March 2026. Estimated impact: +$3.62/month on a typical Oʻahu residential bill — layered on top of everything above.
A rooftop solar system locks in your rate for 25+ years. The grid does not. A rooftop solar system locks in your rate for 25+ years. The grid does not. Even if Iran resolves cleanly and oil falls back to pre-war prices, the base-rate increase, the Waiau project, and post-wildfire insurance costs do not reverse. Hawaiʻi residential rates are structurally higher than a year ago, and every credible forecast points the same direction.
Source: Hawaiian Electric Effective Rate Summaries filed with the Hawaii PUC (April 1 and May 1, 2026)
Every month you wait,
the math gets worse.
Hawaii's energy economics are shifting under your feet — Time-of-Use rates, compounding rate hikes, and a sunset on tax credits. Most homeowners are paying for these changes without ever seeing them.
HECO rates jumped 4.5% last year — and the year before
Hawaii has the highest electricity rates in the nation. Every year you wait costs the average household $300-500 more.
Time-of-Use is here. 5-9pm power is now ~50% more expensive
Most homeowners don't realize they're getting hit twice — once by usage, once by peak hours. We show you exactly when and how.
Federal solar tax credit was just repealed
The 30% residential federal credit ended for systems placed in service after Dec 31, 2025. Maui Starpower currently offers a 35% Tax Equity Offset on a limited-time waitlist — that gap is closing fast.
Most Hawaiian Electric residential customers are now on or being moved to Time-of-Use schedules. The 5-9pm "peak window" charges premium rates — exactly when most families come home and crank the AC.
Our analyzer maps your usage against TOU windows and shows the simple shifts that can knock 15-25% off your bill — even before solar enters the conversation.
Free tools and tips first.
Big savings for those who qualify.
Not every household is right for solar — and that's fine. Our AI gives renters and owners alike the moves that actually move the needle on Hawaii's most expensive utility bills in the country.
AI Bill Analysis
Snap or upload any HECO/MECO/HELCO/KIUC bill — Claude vision pulls every kWh, rate, and TOU charge in seconds.
Tips for Everyone
Renters and owners both get personalized energy-saving moves — appliance shifts, TOU timing, behavioral wins.
TOU Tariff Coaching
Hawaii's Time-of-Use rates spike 5-9pm. We show you exactly when to run AC, laundry, EV charging.
$0 Down Financing
Qualify for equity funding via Unlock, conventional solar/home-improvement loans, or HVAC partner programs.
Lock In Lower Power
When solar makes sense, we right-size at $7/W installed — many qualify for 80-90% savings, no money out.
Beat 4.5% Rate Hikes
HECO rates climb every year. We model 25 years of escalation against locked-in solar production.
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The biggest reason families don't upgrade isn't price — it's cash flow. We've stacked four financing partners so you can fund energy upgrades, replace an AC, get a new roof, or go solar without writing a check.
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Home Improvement Lending
One applicationBundle a new roof, attic insulation, or efficient windows alongside your solar plan with a single financing package.
We don't lend directly — we connect you to the option that fits your situation. Pre-qualification takes minutes and won't hit your credit.
$7 per watt installed.
35% Tax-Equity offset (waitlist).
The 30% federal residential solar credit was repealed by the 2026 reconciliation bill. Maui Starpower is currently offering a 35% Tax Equity Offset on a limited-time waitlist for qualified systems. Stacked with Hawaii's $5k state credit and our $7/W installed pricing, qualified homes can still hit 80-90% lifetime savings — but spots are limited.
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