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what it is
Eos makes long-duration batteries for utility, microgrid, and business backup power.
how it gets paid
Last year Eos Energy Enterp made $114M in revenue. Utility-scale battery systems was the main engine at $46M, or 40% of sales.
why it's growing
Revenue grew 631.8% last year. Revenue rose 84% from a year ago, but gross margin was -n/a.
what just happened
Eos posted $56M in latest-quarter revenue while EPS stayed at -$6.06.
At a glance
B balance sheet — gets the job done, barely
35/100 earnings predictability — expect surprises
-$6.69 fy2025 eps est
$2B fy2026 rev est
n/a operating margin
xvary composite: 55/100 — below average
What they do
Eos makes long-duration batteries for utility, microgrid, and business backup power.
Eos sells long-duration storage, which means batteries that run for hours, not minutes. So what: when your grid gets crowded and solar fades, that extra runtime matters. The company says the systems are made in the US with mostly US raw materials, and 430 employees is not a huge army for a hard manufacturing ramp.
How they make money
$114M
annual revenue · their business grew +631.8% last year
Utility-scale battery systems
$46M
Commercial & industrial systems
$31M
Microgrid systems
$22M
Services and other
$15M
The products that matter
long-duration grid storage
zinc-based battery systems
$114.2M annual revenue
this is effectively the whole business. it produced $114.2M last year, but management had pointed to $150M–$160M, so the product story is now tied directly to factory credibility.
factory story
Key numbers
$114M
annual revenue
That is the whole top line. It is tiny beside $832M of debt.
n/a
gross margin
Prior margin KPI failed sanity check — verify in filings. You lose $1.59 before overhead for every $1 of sales.
$832M
long-term debt
Debt is 30% of capital, so lenders matter more than slogans.
1.45
beta
The stock moves 45% more than the market, so your stomach gets a workout.
Financial health
B
strength
- balance sheet grade B — adequate — nothing special
- risk rank 2 — safer than 80% of stocks
- price stability 5 / 100
- long-term debt $832M (30% of capital)
B — functional but not a standout on the balance sheet.
Total return vs. market
Return history isn't available for EOSE right now.
source: institutional data · return history unavailable
What just happened
missed estimates
Eos posted $56M in latest-quarter revenue while EPS stayed at -$6.06.
Revenue rose 84% from a year ago, but gross margin n/a (verify filings).
$56M
revenue
-$6.06
eps
n/a
gross margin
the number that mattered
The number that matters is -159.1% gross margin. Every $1 of sales burned $1.59 before overhead.
source: company earnings report, 2026
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What could go wrong
the #1 risk is battery line downtime and quality failures. Eos already showed what happens when factory issues collide with a public revenue target.
med
battery line downtime and quality failures
Management explicitly cited line downtime and quality challenges for the 2025 shortfall. That is not abstract risk. It already happened.
the last miss was $35.8M–$45.8M versus guidance
med
profitability timing slips again
Positive margin timing moved to the second half of 2026. With gross margin still at -n/a, there is a lot of ground left to cover.
for every $1 of revenue, the business is still losing about $1.59 before overhead
med
shareholder litigation and investigation headlines
Legal actions followed a roughly 39% stock drop after the miss. Even if operations stabilize, management credibility now sits under a brighter light.
another miss would hit both the story and the stock's access to patience
med
debt limits room for error
Long-term debt sits at $832M, or 30% of capital. That does not make the balance sheet broken. It does make repeated operational misses harder to absorb.
capital structure gets less forgiving if the ramp stays messy
A $35.8M–$45.8M miss versus guidance, a -159.1% gross margin, and $832M of long-term debt leave Eos with very little room for another factory stumble.
source: institutional data · regulatory filings · risk analysis
Pay attention to
calendar
next earnings report
you want evidence that q4's $58.0M revenue was not a one-quarter reset and that the second-half 2026 margin target still holds up.
metric
gross margin from -n/a
this is the cleanest check on whether the manufacturing ramp is improving. if gross margin stays deeply negative, scale is still a slide deck.
risk
litigation and investigation updates
the legal headlines followed a roughly 39% stock drop. they matter because they raise the public cost of another guidance miss.
trend
revenue conversion after the guide reset
last year ended at $114.2M after management had pointed to $150M–$160M. the trend to watch now is simple: does revenue start landing where management says it will.
Analyst rankings
earnings predictability
35 / 100
earnings are hard to model here. in human-speak, analysts do not expect the near-term numbers to arrive smoothly.
beta
1.45
Beta measures market sensitivity. When the market moves, EOSE has tended to move more. Not a bunker stock.
risk rank
2
The model flags it as safer than many stocks on balance-sheet metrics, even while the operating story looks messy. Welcome to small-cap contradictions.
source: institutional data
Institutional activity
institutional ownership data for EOSE is being compiled.
source: institutional data
Price targets
3-5 year target range
n/a
n/a
$6
current price
n/a
target midpoint · n/a from current
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