Hawaii’s Attorney General has filed a legal challenge against the EPA after Hawaiian Electric reversed its earlier commitment to retire aging, polluting oil-burning generators on Maui and the Big Island. The dispute centers on whether those voluntary retirement agreements are still binding under Hawaii’s air quality plan.
- Hawaiian Electric’s Kahului and Māʻalaea generating stations were identified as top sources of haze-causing pollution affecting visibility at Haleakalā National Park.
- HECO had voluntarily agreed to retire older oil-burning units on Maui but reversed course after a federal administration change in 2025.
- The EPA partially disapproved Hawaii’s Regional Haze State Implementation Plan in May 2026, creating uncertainty around the planned retirements.
- The AG’s lawsuit argues the EPA’s disapproval is legally inconsistent with the Clean Air Act and ignores years of prior negotiation.
- The outcome could affect long-term energy infrastructure and air quality near Maui’s national park, which is a draw for visitors and guests.
Source: Hawaii Free Press
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