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SB 1338

RELATING TO LONG DURATION CLEAN ENERGY STORAGE.

2026 Regular Session Introduced by Ron Kouchi

Hawaii establishes requirements for long duration clean energy storage systems to enable renewable energy transition and reduce fossil fuel dependence by 2045.

Carried over to 2026 Regular Session.
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Bill Summary · SB 1338

Legislative bill overview

SB 1338 addresses long duration clean energy storage in Hawaii, likely establishing requirements, incentives, or regulatory frameworks for battery storage systems that can sustain energy output over extended periods. The bill passed committee amendments in February 2025 and was carried over to the 2026 Regular Session for continued consideration.

Why is this important

Hawaii relies heavily on imported fossil fuels and has committed to 100% renewable energy by 2045. Long duration energy storage is critical infrastructure for this transition, enabling renewable sources (solar, wind) to provide consistent power during cloudy or calm periods. Without adequate storage capacity, the state cannot reliably transition away from fossil fuels or achieve energy independence.

Potential points of contention

  • Cost and ratepayer impact: Long duration storage systems are expensive; unclear whether costs fall on consumers, utilities, or state subsidies
  • Technology selection: Bill may favor specific storage technologies (lithium-ion, flow batteries, thermal storage), raising questions about innovation limitations and vendor preference
  • Land use and environmental concerns: Large-scale storage facilities require significant space; potential conflicts with conservation areas or community land use preferences
  • Grid infrastructure requirements: May require substantial upgrades to electrical grid infrastructure with unclear funding mechanisms and implementation timelines

Compiled from official sources — confirm details with the bill’s official record.

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