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
Team — not yet on record
No current team members for Sion Power are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·The complete investor list: 11 names
·Watch Sion Power: the Monday email on marks, rounds and moves
