PE

Peak Energy

Burlingame, California, United States

Energy StoragePrivate company
Founded 202451-200 employees
Profile last updated: August 14, 2026

About

Founded in 2024, Peak Energy is a private company headquartered in Burlingame, United States with approximately 51-200 employees specializing in Energy Storage.

Peak Energy is a U.S.-based developer of low-cost, giga-scale grid storage technology. The company designs and deploys passively cooled sodium-ion battery energy storage systems for grid applications. Peak's proprietary systems eliminate active cooling requirements, reducing energy storage costs by approximately 20% compared to conventional lithium-ion systems while delivering over 99% uptime. The technology features zero moving parts, requires no scheduled maintenance over its 20-year design life, and reduces lifetime operating costs. Peak is vertically integrated across cell development, system engineering, and manufacturing, with facilities in California and Colorado. The company has secured customer agreements with major utilities and independent power producers and partners with General Motors on next-generation sodium-ion cell development.

Headquarters

Burlingame, United States

Founded

2024

Employees

51-200

Company type

Private company

Focus areas

energy storagesodium-ion batteriesgrid storagebattery technologyrenewable energy infrastructuregrid modernizationAI infrastructure

Products & services

Business models

B2BEPC

Value chain

ManufacturingEngineeringDevelopmentConstructionO&M

Locations

Headquarters

865 Hinckley Road, Burlingame, California, United States

Operating locations (1)

  • 100 Technology Dr Suite 200, Broomfield, Colorado, United States

Projects

4

Sacramento Manufacturing Facility

Under ConstructionBattery manufacturing facility

First dedicated sodium-ion grid storage factory in the United States, producing up to 4 GWh of battery systems annually.

Sacramento, United States

Jupiter Power Sodium-Ion Supply Agreement

PlannedSodium-ion battery storage deployment

Multi-year phased agreement to supply up to 4.75 GWh of sodium-ion battery energy storage systems for deployment.

4.8 GW capacityUnited States

RWE Americas Pilot Project

Under ConstructionBattery storage pilot

Pilot deployment of passively cooled sodium-ion grid storage battery technology in Eastern Wisconsin.

United States

Watkins Colorado Deployment

OperationalSodium-ion grid storage

First fully passive grid-scale energy storage system deployed and live on the US grid.

Watkins, United StatesCompleted: 2025-08-01

Credentials & affiliations

Partnerships

General Motors, Jupiter Power, RWE Americas, Energy Vault

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