Mammoth Summit Power is Puget Sound’s leading developer of grid-scale energy transition solutions.

We recognize the region's vast potential for renewable energy generation, and the crucial role solar and battery storage play in ensuring grid stability as we transition away from fossil fuels.

We are driven by the mission to accelerate the clean energy transition in the Pacific Northwest. We achieve this by developing cutting-edge battery storage solutions that are:

Affordable: We strive to make battery storage technology accessible and cost-effective for all stakeholders.

Sustainable: We prioritize technologies with minimal environmental impact and sites with optimal existing conditions.

Reliable: Our solutions contribute to a strengthened and more resilient grid infrastructure.