Maui Solar Info

Battery storage is essential for new solar installations in Hawaii. The two most popular options are Tesla Powerwall and Enphase IQ Battery. Here's how they compare for Maui homeowners.

Tesla Powerwall 3

Specifications:

Capacity: 13.5 kWh

Continuous power: 11.5 kW

Integrated inverter: Yes

Price: ~$9,500 before installation

Tesla Powerwall 3 with Gateway integration — Tesla Powerwall 3 pairs with Gateway controls for whole-home backup

Powerwall 3 Owner's Manual & Safety Instructions

Pros:

High power output

Integrated inverter simplifies installation

Sleek design

Good app and monitoring

Cons:

Longer wait times

Limited installer network

All-or-nothing capacity

Enphase IQ Battery 5P

Specifications:

Capacity: 5 kWh per unit (stackable)

Continuous power: 3.84 kW per unit

Integrated inverter: No (uses microinverters)

Price: ~$6,500 per unit

Pros:

Modular and expandable

Works with existing Enphase systems

Hurricane-rated enclosure

Widely available

Cons:

Lower power per unit

Requires separate microinverters

Multiple units needed for whole-home backup

Our Recommendation

For most Maui homes, we recommend Enphase for its modularity and availability. Tesla Powerwall is better for high-power-demand homes that want a single integrated solution.

Tesla Powerwall 3 vs Enphase IQ Battery: Which Is Right for Maui?

Tesla Powerwall 3

Enphase IQ Battery 5P

Our Recommendation

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