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MARKETS / NASDAQ / EOSE
NASDAQ · MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES · SMALL CAP

Eos Energy Enterprises, Inc. EOSE

7 fiscal years on record · USD · FY2025 reported · SEC filings only
$114.2M
▲ 631.8% YoY
$-969.6M
$-265.0M
In brief

What this company does

Eos Energy Enterprises, Inc. designs, develops, manufactures and markets zinc-based energy storage systems intended for utility-scale, microgrid and commercial and industrial applications. Its Znyth battery energy storage system is engineered to deliver operational flexibility to address grid complexity and price volatility. It operates a manufacturing facility in Turtle Creek, Pennsylvania, that produces DC energy blocks, and maintains a second facility in Warrendale, Pennsylvania, that is expected to become operational in 2026. It operates as one operating and reportable segment, with North America as its primary geographic market. During fiscal year 2025, two customers individually accounted for 51.5% and 18.8% of its total revenue. As of December 31, 2025, it had 787 total employees, all of them full-time. As of December 31, 2025, it held 31 patent families and 202 patents pending, issued, or published in 30 countries.

Written from the business description in Eos Energy Enterprises, Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 26 February 2026. Every sentence was checked against that document before publication.

Growth
USD 114.2M
Revenue, FY2025 · full 7-year series below
Revenue $M Net income $M
FY2025 · Revenue 114.2 · Net income -969.6
40M80M-400M-800M2019202020212022202320242025
Compound annual growth
+85.4%
+249.5%
3 yrs
5 yrs
10 yrs
15 yrs

Revenue compounded at +249.5% a year over five years.

Compound annual rates per period — left blank where that exact year isn't on file, the series crosses a loss, or (per-share rows) a split falls inside the window.

Profitability
−849 cents
lost on every revenue dollar
Operating margin Net margin
FY2025 · Operating -227.0% · Net -849.1%
-10000%-20000%-30000%2019202020212022202320242025
ROE

Not applicable: equity was negative in this period, so return on equity has no meaning.

Cash & shareholders
returned in FY2025 · dividends + net buybacks
Free cash flow $M
FY2025 · FCF -265.0
-100M-200M2019202020212022202320242025

Total assetsUSD 885.2M
EquityUSD -2.2B
CashUSD 568.0M
Gross debtUSD 813.3M
Net debtUSD 245.3M
Current ratio4.94×

Equity was negative — liabilities exceeded assets. No ratio is shown.

The 7-year record
7 fiscal years
Every figure from documents filed with the SEC · USD

EPS, diluted, dividend per share and shares outstanding are shown without shading, and a vertical line marks the year the share count changed — the series crosses a large, unexplained change in share count, so the years on either side are not on a comparable scale.

row low → row highnegative
Metric 2025202420232022202120202019
Revenue $B0.10.00.00.00.00.00.0
Operating income $B−0.3−0.2−0.2−0.2−0.1−0.0−0.0
EBITDA $B−0.2−0.2−0.1−0.2−0.1−0.0−0.0
Income tax $B0.00.00.00.00.00.00.0
Net income $B−1.0−0.7−0.2−0.2−0.1−0.1−0.1
Free cash flow $B−0.3−0.2−0.2−0.2−0.1−0.0−0.0
EPS, diluted $−6.69−4.55−1.81−3.68−2.36−7.51−20.22
Dividend / sh $·······
Payout %·······
ROE %····−162.1··
Shares out B0.340.220.200.080.050.050.00

Slide the table for earlier years · "·" marks a figure not available in our data for that year.

Provenance
Company facts, as filed
How we verify · 0 failures in 31 reconciliationsAUDITED

Reconciled in 7 of 19 fiscal years. 60 checks could not be computed.

EPS recomputationBalance-sheet identityGross profitBalance-sheet liquiditymoeda_consistente0 failures
ActivityMiscellaneous Electrical Machinery, Equipment & Supplies
Listed onNASDAQ
Incorporated inDelaware
Fiscal year endsDecember 31
Data on record since2019

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