6 Energy companies in San Francisco.
By the Numbers
Maritime Fusion
San Francisco
Maritime Fusion is developing high-temperature superconducting tokamak fusion reactors for ships, aiming to decarbonize global shipping and deliver FOAK fusion reactors worldwide, supported by YC participation and a team with Tesla and Spac
Gridware
Gridware is a privately held technology company in San Francisco focused on protecting and enhancing the electrical grid, backed by climate-tech and Silicon Valley investors, addressing faults—especially in remote, aging infrastructure and
Emobi
Emobi delivers a unified platform for seamless, secure EV charging, powering apps, fleets, and automakers while maximizing charger utilization; it integrates 122,000+ chargers across the U.S. and Canada, the largest North American ecosystem
Ohm
Ohm is a San Francisco-based AI-first company applying AI to battery research, validation, and manufacturing workflows. Backed by Y Combinator and other investors, it leverages a lean, multidisciplinary team of engineers, creatives, and PhD
DeepAware AI
DeepAware AI is a YC-backed startup delivering AI-powered infrastructure management and autonomous robotics for data centers, aiming to improve security, uptime, and energy efficiency by up to 30% for operators and AI infrastructure provide
Noya
**Radically reducing capital costs and build time for direct air capture** Noya is radically reducing the upfront capital costs and installation time required to perform direct air capture. We're doing this by retrofitting existing pieces