Free Estimates — Response Within 4 Business Hours

Get Your Free Estimate

Solar, battery, AC, roofing, electrical, or solar hot water — tell us about your project and we’ll prepare a personalized proposal. No obligation, no pressure, no subcontractors.

Let's Talk About
Your Project

Whether you need solar, battery storage, AC, hot water, EV charging, roofing, or electrical work — we've got you covered. One company, one call.

100% free, no obligation estimate
Response within 4 business hours
Custom system design for your home
Financing options available
AEI crew installing solar panels on rooftop

Prefer to call?

(808) 842-5853

Office Location

96-1276 Waihona St #114
Pearl City, HI 96782

Hours

Monday – Friday: 7:30am – 4:00pm
Saturday – Sunday: Closed

Technical Support

(808) 380-6845 (PV Systems)

By submitting, you agree to be contacted about your project. We respect your privacy and never share your information.

What Happens After You Submit

1. We Review Your Project

Within 4 hours

A member of our team reviews your details and prepares to discuss your specific situation. No automated responses — a real person reads every submission.

2. We Reach Out

Same or next business day

We contact you by your preferred method to discuss your project, answer questions, and schedule a free site visit if appropriate.

3. Free Site Survey

At your convenience

An energy advisor visits your property to assess your roof, electrical panel, and energy needs. No cost, no obligation, no high-pressure sales tactics.

4. Custom Proposal

Within 3-5 days of visit

You receive a detailed proposal with system design, equipment specs, exact pricing, incentive breakdown, and financing options. Take your time reviewing it.

Why Families Choose Alternate Energy Hawaii

33 Years in Hawaii

Family-owned since 1993. 10,000+ homes powered, 59+ MW installed. KITV Best of Hawaii — 3 consecutive years.

In-House Crews Only

Every installer is our employee. Never subcontracted. Solar, electrical, AC, and roofing — all under one roof.

Fully Licensed

General (C-26041), Electrical (C-13), AC (C-52), Roofing (C-42). Tesla Premier Installer. Enphase Certified. BBB A+.

We Handle Everything

Permits, HECO interconnection, BYOD+ enrollment, inspections, and financing — you sign the contract, we do the rest.