Top San Jose, CA Renewable Energy Companies (5)

We believe clean energy and backup storage should be accessible to everybody. That’s why SunPower designs all-in-one residential solar and storage solutions backed by personal customer service and the industry’s most comprehensive warranty. And with more than 35 years of dedicated solar experience, we’re the only U.S.-based solar company that’s been around longer than our 25-year warranty.

Since 2012, Enpower Greentech has pioneered advanced battery breakthroughs. Our early work spanned solar installations using energy storage (both lithium-ion and sodium-ion batteries) for residential, commercial, and industrial applications in Asia, Europe and the United States of America. Today we produce record breaking energy dense batteries using our lithium metal anodes and proprietary battery chemistries. From manufacturing and technical centers in...

Xpansiv® operates the world’s largest integrated, open and neutral market infrastructure for the global energy transition. Through Xpansiv’s comprehensive end-to-end technology platform, which covers the entire lifecycle of environmental commodities, the company connects diverse markets and participants worldwide playing a pivotal role in scaling the energy transition.

Empowering the world through timely, trusted and actionable data through enhanced optical spectroscopy

Ensurge is Energizing Innovation™ with ultrathin, flexible, and safe energy storage solutions for wearable devices, connected sensors, and beyond. Ensurge's innovative solid-state lithium battery (SSLB) technology is uniquely positioned to enable the production of powerful, lightweight, and cost-effective rechargeable batteries for diverse applications. The company’s state-of-the-art flexible electronics manufacturing facility, located in the heart of Silicon Valley, combines patented process...