Serving Hawaii since 1993
Decades of local energy experience across changing utility programs, technologies, and customer needs.
PV + Storage Solutions
Alternate Energy Hawaii
Years of experience
Alternate Energy
PV + Storage Solutions
Capture excess power, store it onsite and have it delivered when you need it, without exporting to the grid.
Introducing Solar Storage Solutions
Solar Storage Solutions are a combination of home battery technology and Panasonic Electric solar panels that allow you to capture excess power, store it onsite, and have it delivered when you need it most. All without exporting excess unused energy to HECO's to the grid. Utilizing the TESLA Powerwall, Panasonic EVERVOLT, or Encharge Storage systems with Panasonic Electric solar panels, consumers can now optimize their energy savings. They have the security of emergency backup power and the option to not export to HECO's grid.
Solar Battery & Panel Solutions
Reliable Backup Power & Smart Energy Storage
TESLA Powerwall
- 10-year manufacturer warranty.
- Floor or Wall mounted for easy installation.
- Rechargeable lithium ion battery with liquid thermal control.
- Provides emergency backup power during outages.
- 13.5kWh with daily cycling, 100% depth of discharge, and 92.5% round-trip DC efficiency.
- Zero-export: when your PV system produces more than you need, the rest is stored when you need it.
Panasonic EVERVOLT
- 12-year manufacturer warranty.
- Expandable modular design for growing energy needs and easier installation. Available in three cabinet sizes:
- 9kWh, 13.5kWh, and 18 kWh.
- Lithium Ferrite Phosphate (LFP) chemistry for maximum safety and longevity.
- Supports DC and AC input suitable for new and existing PV systems.
- Provides emergency backup power during outages.
- Time-of-use (TOU) and zero-export ready.
- Zero-export: when your PV system produces more than you need, the rest is stored when you need it.
Enphase Encharge
- 15-year manufacturer warranty.
- Customized storage sizes ranging from 3.36kWh to 40.32kWh per Smart Switch with 96% round-trip DC efficiency.
- Lithium Ferrite Phosphate (LFP) chemistry for maximum safety and longevity.
- Passive cooling (no moving parts/fans).
- Time-of-use (TOU) and zero-export ready.
- Zero-export: when your PV system produces more than you need, the rest is stored when you need it.
Panasonic EverVolt Solar Panels
- 25-year manufacturer's performance, parts, and labor warranty.
- Advanced bifacial cell designed for increased energy output.
Promise
Customers who purchase a PV Storage system can now take advantage of the new NEM+ or Self Supply programs offered by the Hawaiian Electric Companies (HECo) on Oahu and Maui. The program allows residential and commercial PV customers to store all of their excess energy for later use.
How It Works
Self-Consumption / Zero Export
If the site is generating more solar power than it needs, the excess power is stored for later use.
Back-Up Power
When the grid goes down and power is out, the system provides back-up power supply to your site.
Bill Savings
When electricity usage is high and solar power is not readily available, for example at night, the system uses both solar and stored energy to reduce your consumption from the grid.
process
Why Hawaii Homeowners Trust AEI
Local Solar, Battery, and Energy Expertise
Thousands of solar projects completed
AEI brings practical installation knowledge to solar PV, battery storage, and long-term energy planning.
Local installation teams
Local crews understand island conditions, roof readiness, permitting, and utility coordination.
Solar + battery expertise
AEI helps customers evaluate solar production, backup power priorities, and battery storage options together.
Licensed Hawaii contractor
AEI operates as a licensed Hawaii contractor and reinforces project planning with local accountability.
Local support and service
After installation, AEI helps customers with monitoring questions, maintenance direction, and future upgrades.