Virtual Power Plants in Hawaii

Stem PowerTrack Optimizer

Active

Software platform

Operates networked behind-the-meter battery fleets with Stem's PowerTrack Optimizer, the rebranded platform formerly known as Athena.

Swell Energy

Discontinued

Aggregator / operator

Former residential solar + storage VPP operator; Hawaiian Electric reported the Home Battery Rewards program was no longer supported after Swell closed.

Sunnova Adaptive Home

Distressed

Aggregator / operator

Aggregates Sunnova-installed home solar + storage systems, with program continuity requiring review after Sunnova's 2025 bankruptcy process.

sonnen VPP

Active

Aggregator / operator

Aggregates sonnenBatterie systems across UT, CA, and HI into developer-scale and utility VPPs.

Hawaiian Electric BYOD Plus

Active

Utility program

Hawaiian Electric's BYOD Plus program replaced Battery Bonus for new battery participants.