Startup
ION Storage Systems
We are builders and problem-solvers committed to delivering solid-state battery systems that scale—from pilot lines to full production.
Funding8 rounds · $63.0M
- Disclosed
- $63.0M
- Latest
- $2.0MStage undisclosed · Jun 2, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Jun 2, 2026 | Undisclosed | $2.0M | — | TEDCO | — | Reported |
| Nov 13, 2024 | Debt | $10.0M | — | Leonid Capital Partners | — | Reported |
| Aug 6, 2024 | Grant | $1.0M | — | Maryland Department of Commerce | — | Reported |
| Jul 1, 2024 | Series A | Undisclosed | — | — | — | Speculative |
| 2024 | Grant | $20.0M | — | U.S. Department of Energy | — | Reported |
| Dec 13, 2023 | Series A | Undisclosed | — | — | — | Speculative |
| Jun 7, 2022 | Series A | Undisclosed | — | — | Alumni Ventures, Toyota Ventures | Reported |
| Feb 9, 2022 | Series A | $30.0M | — | Alsop Louie Partners, Clear Creek Investments, VoLo Earth Ventures | — | Reported |
- UndisclosedLed by TEDCO$2.0MJun 2, 2026
- DebtLed by Leonid Capital Partners$10.0MNov 13, 2024
- Grant$1.0MAug 6, 2024
- Series ASpeculativeUndisclosedJul 1, 2024
- GrantLed by U.S. Department of Energy$20.0M2024
- Series ASpeculativeUndisclosedDec 13, 2023
- Series AUndisclosedJun 7, 2022
- Series A$30.0MFeb 9, 2022
Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.
Sources11
Profile2
- 1
ION Storage Systems · Supports Organization · description, Organization · name, Organization · website
“We are builders and problem-solvers committed to delivering solid-state battery systems that scale—from pilot lines to full production.”
- 2
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "7ff0a867-f912-4100-867a-d0f7fa3789dc", "name": "ION Storage Systems"}”
Funding9
- 3
TEDCO · Jun 2, 2026 · Supports Funding round · amount
“announced a recent $2 million Venture Funds investment in ION Storage Systems”
- 4
FinSMEs · Nov 13, 2024 · Supports Funding round · amount
“received $10M in debt financing from Leonid Capital Partners”
- 5
Office of Governor Wes Moore · Aug 6, 2024 · Supports Funding round · amount
“ION Storage Systems received a $1 million grant from the Maryland Department of Commerce’s Build Our Future Grant Pilot program”
- 6
AiThority · Jun 14, 2022 · Supports Funding round
“announced the closing of its Series A funding round, exceeding its original target of $30 million”
- 7
Mercom India · Feb 10, 2022 · Supports Funding round · amount
“closed a $30 million Series A funding round”
- 8
VC News Daily · Feb 9, 2022 · Supports Funding round · amount
“announced the initial closing of its $30 million Series A fundraising round led by Clear Creek Investments”
- 9
PitchBook · Supports Funding round
“Later Stage VC (Series A3)”
- 10
- 11
Utility Dive · Supports Funding round · amount
“The funding includes $20 million for Ion Storage Systems in Beltsville, Maryland”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.