Is Solar Worth It in Hawaii? When It Is, and When It's Not

Here’s how to tell which group you’re in. We’d rather tell you “not yet” than sell you a system that doesn’t pay off.

When solar usually IS worth it in Hawaii

• You own your home and plan to stay for years to come.

• You live in a single-family home with a HECO bill of about $150 a month or more. You’ll save substantially and pay the system off quickly.

• Your roof gets good sun for most of the day.

• Your roof has at least 15 years of life left.

• You want your power to stay on during outages. If reliable power matters to you, solar with a battery can be valuable even with a low bill, depending on your backup goals and budget.

When solar is NOT worth it (yet)

1. Your roof is heavily shaded

Trees, taller buildings or a steep north-facing roof can cut production so much that the savings never catch up to the cost. Sometimes trimming trees or using a different part of the roof fixes this. Sometimes it doesn’t, and we’ll tell you.

2. You rent

Renters usually can’t install solar, and even if a landlord allows it, the system stays with the house. If you rent, ask your landlord whether they’d consider solar for the property.

3. You’re moving within a few years

If you’ll sell before the system pays for itself, you may not get your money back. Solar can add value to a home, but it’s not guaranteed to cover the full cost at sale.

4. Your roof needs replacing soon

Removing and reinstalling panels later to replace a roof costs about $200-300 per panel. If your roof has less than 15 years of life left, we recommend replacing it first, then adding solar.

5. Your electric bill is already very low

If your bill is already very low, the savings may be too small to justify the cost. A small system or energy-efficiency upgrades may be a better first step.

Not sure? Here’s a quick check

Mostly “good signs”? Get a free estimate. Mostly not? Call us anyway at 808-460-6015 and we’ll give you a straight answer.