At Best Startup California we track over 300,000 Californian startups and over 1,500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and organisations we think deserve more appreciation than they are currently getting.
We’ve ranked the top 39 Energy companies in Sunnyvale, California. The companies, startups and institutions listed in this article are all exceptional companies, well worth a follow. We have included links to their websites, socials and CrunchBase (if you’re interested in their financials).
We selected the organisations listed in this article based on:
- Track record
- Executive leadership
- Market share
- Innovation
- ESG rating
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Top Energy Companies & Startups (Sunnyvale, California)
Bloom Energy
Bloom Energy offers on-site power generation systems that can use a wide variety of inputs to generate electricity.
Founder(s): Charles J. Smiley, KR Sridhar
Location: Sunnyvale, California, United States
Industries: CleanTech, Energy, Fuel Cell, Oil and Gas, Wind Energy
Follow:
Sensity Systems
Sensity Systems is a technology company that provides conversions to LED lighting.
Founder(s): Hugh Martin, Rao Arimilli, Rusty Cumpston
Location: Sunnyvale, California, United States
Industries: Energy, Energy Efficiency, Lighting
Follow:
LifeLabs Design
LifeLabs Design is a materials science company that develops technology designed to reduce energy consumption.
Founder(s): Meng Sui, Yi Cui
Location: Sunnyvale, California, United States
Industries: Energy, Energy Efficiency, Energy Management
Follow:
Amprius
Amprius develops an anode out of silicon nanowires for lithium-ion batteries.
Founder(s): Mark Platshon, Yi Cui
Location: Sunnyvale, California, United States
Industries: Battery, Nanotechnology, Renewable Energy
Follow:
Planet OS
Planet OS is a premier data service that provides unified access to climate and weather data from the world’s leading data providers.
Founder(s): André Karpištšenko, Kalle Kägi, Rainer Sternfeld
Location: Sunnyvale, California, United States
Industries: Big Data, Infrastructure, Renewable Energy
Follow:
Tekpea
Tekpea’s disruptive patent-pending technology platform
Founder(s): Davide Tappeiner
Location: Sunnyvale, California, United States
Industries: Electronic Design Automation (EDA), Energy, Information Technology, Lighting, Renewable Energy
Follow:
Flow Laboratories
Bringing real-time water insights to commercial buildings
Founder(s): Jatish Patel, Jimit Shah, Nishant Garg
Location: Sunnyvale, California, United States
Industries: Clean Energy, CleanTech, Facility Management, Green Building, Property Management, Smart Building, Water
Follow:
Oklo
Making reactors people want.
Founder(s): Caroline Cochran, Jacob DeWitte
Location: Sunnyvale, California, United States
Industries: Clean Energy, Energy, Nuclear, Renewable Energy
Follow:
Batteroo
Batteroo is a thin sleeve that extends battery life significantly when placed over your battery
Founder(s): Bob Roohparvar, Frankie Roohparvar
Location: Sunnyvale, California, United States
Industries: Battery, Energy, Energy Efficiency
Follow:
LytEn
LytEn focuses on providing disruptive clean energy solutions.
Founder(s): Daniel Cook, Lars Herlitz, Scott Mobley, William Wraith III
Location: Sunnyvale, California, United States
Industries: Biomass Energy, Clean Energy, CleanTech, Energy
Follow:
Dhaani Systems
Dhaani Systems provides a network-based energy management platform for IT infrastructure.
Founder(s): Jean Walrand, Shankar Mukherjee
Location: Sunnyvale, California, United States
Industries: Energy Management, Information Technology, Infrastructure
Follow:
BridgeLux
Bridgelux develops eco-friendly light emitting diodes that reduce energy consumption.
Founder(s): Heng Liu
Location: Sunnyvale, California, United States
Industries: Energy, Manufacturing, Semiconductor
Follow:
Coolstar
A fabless semiconductor company developing disruptive energy efficient technologies based on proprietary silicon power transistors.
Founder(s): Shuming Xu, Xiaotong Lin
Location: Sunnyvale, California, United States
Industries: Battery, Data Center, Electronics, Energy, Internet of Things, Semiconductor, Telecommunications
Follow:
Engineered Solutions
Engineered Solutions specializing in liquid and gas integrated systems, and industrial equipment.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Energy, Hardware, Industrial, Manufacturing, Oil and Gas
Follow:
EnerVault
EnerVault builds large-scale energy storage systems for the modern electric grid.
Founder(s): Craig R. Horne, Thomas E. Colson
Location: Sunnyvale, California, United States
Industries: Energy, Energy Storage, Manufacturing
Follow:
Sunpreme
Sunpreme is a solar company that designs and manufactures photovoltaic cells and panels.
Founder(s): Ashok K. Sinha, Joseph Bach, Leiping Lai
Location: Sunnyvale, California, United States
Industries: CleanTech, Energy, Manufacturing, Solar
Follow:
Serious Energy
Serious Energy sells, manufacturers and delivers acoustical and thermal solutions to the “built environment” through its iWindow brand.
Founder(s): Kevin Surace, Marc Porat
Location: Sunnyvale, California, United States
Industries: Building Material, CleanTech, Energy, Energy Efficiency, Green Building, Manufacturing, Natural Resources
Follow:
JSR Micro
JSR Micro is a semiconductor, life sciences, and energy material solutions provider company.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Electronics, Energy, Semiconductor
Follow:
Bovlabs Inc
Empowering community for self-reliant energy by creating a market place to trade peer to peer, with low transaction cost and high security
Founder(s):
Location: Sunnyvale, California, United States
Industries: Energy, Information Technology, Solar
Follow:
4Home
4Home offers an XML-based software and services platform that enables OEMs to deliver applications and services to the connected home.
Founder(s): Jim Hunter, Paul Gifford
Location: Sunnyvale, California, United States
Industries: Automotive, Clean Energy, Cloud Computing, Internet, Software, Wireless
Follow:
ArrayPower
ArrayPower provides power electronic technologies and a fully-integrated, three-phase sequenced inverter for commercial solar applications.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Electronics, Energy, Manufacturing, Renewable Energy, Solar
Follow:
Innovalight
Innovalight develops silicon ink, licensed to solar cell manufacturers
Founder(s): Conrad Burke, Paul Thurk
Location: Sunnyvale, California, United States
Industries: Energy Efficiency, Manufacturing, Solar
Follow:
VOLTU
Voltu enables electrification through electric Powertrain technology and energy storage.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Clean Energy, CleanTech, Electric Vehicle, Electronics, Energy
Follow:
EnerAllies
EnerAllies is leading the transformation to the smart, automated facility for multi-site enterprises with a software-centric IoT platform
Founder(s): Rob Keil, Steve Maruyama
Location: Sunnyvale, California, United States
Industries: Energy Management, Internet of Things, Machine Learning, Predictive Analytics, SaaS, Software
Follow:
MARKS Engineers
Charging the future of eMobility™
Founder(s): Mark Oshana Badal
Location: Sunnyvale, California, United States
Industries: Autonomous Vehicles, Car Sharing, Electric Vehicle, Electrical Distribution, Energy, Mechanical Engineering
Follow:
EMOVE – Innovative Technologies
EMOVE offers reliable power generating technological solutions for wind and wave sectors.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Energy, Renewable Energy, Wind Energy
Follow:
Silicon Valley Clean Energy
Silicon Valley Clean Energy is a community-owned energy provider that serves the majority of Santa Clara County communities.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Energy, Government
Follow:
Advenira Enterprises
Advenira Enterprises is an innovative thin film deposition technology startup that offers hardware, precursors, and processing services.
Founder(s): Elmira Ryabova
Location: Sunnyvale, California, United States
Industries: Clean Energy
Follow:
xMight
xMight offers smart EV charging management to build, making EV charging faster, safer and cheaper.
Founder(s): Young Liang
Location: Sunnyvale, California, United States
Industries: Electric Vehicle, Energy, Energy Efficiency, Energy Management, Information Technology, Internet of Things, Renewable Energy, Software
Follow:
SUNNYBAG
SUNNYBAG develops and sells stylish solar backpacks to charge mobile devices on the go
Founder(s): Stefan Ponsold
Location: Sunnyvale, California, United States
Industries: Renewable Energy
Follow:
Lumenir
Lumenir is an energy-as-a-service company focused on rural off-grid markets in developing countries.
Founder(s): Bryan Silbermann
Location: Sunnyvale, California, United States
Industries: Energy, Renewable Energy, Solar
Follow:
Clean Cell International , Inc
Clean Cell International is a solar module manufacturer that develops low-cost, lightweight, flexible solar modules.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Manufacturing, Renewable Energy, Solar
Follow:
Clean Focus Yield Ltd.
Clean Focus Yield owns and operates clean, renewable-energy projects for commercial, industrial and community solar clients.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Renewable Energy, Solar
Follow:
Integrating PV
Integrated Photovoltaics is a solar technology company that develops next-generation photovoltaic solutions.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Energy Efficiency, Renewable Energy, Solar
Follow:
Antora Energy
Antora Energy is electrifying heavy industry with thermal energy storage for zero-carbon heat and power.
Founder(s): Andrew Ponec, David Bierman, Justin Briggs
Location: Sunnyvale, California, United States
Industries: Energy, Energy Storage, Renewable Energy
Follow:
Sustainable Silicon Valley
Sustainable Silicon Valley is a nonprofit aimed at environmentally sustainable water and energy use in the Silicon Valley.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Agriculture, Non Profit, Renewable Energy, Solar
Follow:
Solar Red
Solar Red is a start-up solar energy company.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Energy, Solar
Follow:
Dreamland Mobile Technologies
Dreamland Mobile Technologies, Inc. is a consumer electronic development company specializing in energy efficient, environmental friendly
Founder(s):
Location: Sunnyvale, California, United States
Industries: Clean Energy, Developer Tools, Hardware, Mobile, Software, Wireless
Follow:
EnFocus Engineering
Enfocus Engineering Corporation provides solar panels for commercial, institutional, and residential structures.
Founder(s):
Location: Sunnyvale, California, United States
Industries: Energy, Manufacturing, Real Estate, Solar
Follow: