On March 31, 2026, the Hawaii Public Utility Commission (PUC) announced a series of proposed regulations aimed at accelerating the adoption of renewable energy sources and battery storage on the islands. The new regulations come as Hawaii continues to face challenges in transitioning to a more sustainable and resilient energy system, especially in the wake of increasing extreme weather events and the ongoing threat of climate change.One of the key proposals put forth by the PUC is to increase the state's Renewable Portfolio Standard (RPS) to 100% by 2045, aligning Hawaii with its ambitious clean energy goals. Currently, Hawaii has a RPS of 30% by 2020, 40% by 2030, and 70% by 2040. The proposed increase to 100% by 2045 would make Hawaii one of the first states in the nation to achieve complete renewable energy reliance.In addition to increasing the RPS, the PUC is also seeking to implement new rules that would streamline the interconnection process for renewable energy projects, making it easier for individuals and businesses to install solar panels or other clean energy systems. This move is expected to encourage more residents to invest in renewable energy and contribute to the state's overall decarbonization efforts.Furthermore, the PUC's proposed regulations include incentives for the deployment of battery storage systems, which are seen as essential for enhancing grid resilience and integrating more intermittent renewable energy sources like solar and wind. By offering financial incentives and regulatory support for battery storage projects, the PUC hopes to accelerate the adoption of this key technology across the state.Overall, the PUC's proposed regulations signal a significant step forward in Hawaii's transition to a more sustainable and resilient energy system. By increasing the RPS, streamlining interconnection processes, and incentivizing battery storage deployment, the PUC aims to position Hawaii as a leader in the clean energy transition and pave the way for a more sustainable future for the islands. The proposed regulations are now open for public comment, with a final decision expected to be made in the coming months.