Sion Power

Tucson, AZ · Founded 1989 · Privately Held (backing)

Developer of energy storage systems designed to address the future needs of the electric vehicle and aerospace markets today. Sion Power is based in Tucson, AZ and was founded in 1989. It was valued at $435 million at its later-stage round in Jan 2024, the last priced event on record. It has raised $145 million across 2 recorded rounds; the latest was a $240 million later-stage round in Nov 2021.

PMV mark · valuation
$435.0M
Oct 2026
Priced at
its later-stage round
Jan 2024
Total raised
$144.5M
Last round
Later Stage VC
Nov 2021

Who backs Sion Power?

11 investors
InvestorType
U.S. Department of EnergyOther
United States Department of War—
National Aeronautics and Space Administration—
LG Technology VenturesVenture capital
GM VenturesVenture capital
Euclidean CapitalFamily office
BASF Venture CapitalOther
HillspireFamily office
Bricks Capital Management—
Cummins—
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Sion Power investors

11 investors are on record for Sion Power, including U.S. Department of Energy, United States Department of War, National Aeronautics and Space Administration and LG Technology Ventures. The later-stage round in Nov 2021 drew 5 investors.

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