ESS Tech, Inc.

GWH

$0.34

+3.78%

N/A+$0.01

Industrials

Electrical Equipment & Parts

NYSE

Active Trading

ESS Tech, Inc. is a global energy storage enterprise focused on developing and manufacturing iron flow batteries for commercial and large-scale utility ...

Key Metrics of GWH

Snapshot

Latest / TTM · 6 periods

Market Cap

$9.91M

ROCE

-440.1%

EV / EBITDA

-0.04x

-224.9% YoY

FCF Yield

-458.2%

-262.6% YoY

Cash Conversion Cycle

-15.3d

Current Ratio

0.68

Quick take

TTM —

Current ratio below 1.0

Negative working capital

Key Metrics

Latest / TTM · 6 periods

Valuation trend

Valuation trend table

Metric	2021	2022	2023	2024	2025	TTM
Market CapTotal market value of all shares outstanding.	$952.45M	$5.57B	$2.74B	$1.04B	$27.45M	$9.91M
Enterprise ValueCompany value including debt and cash adjustments.	$717.28M	$5.54B	$2.72B	$1.03B	$24.86M	$2.04M
EV / SalesHow many dollars investors pay per dollar of sales.	0.00x	6192.56x	360.43x	163.11x	15.71x	-1.74x
EV / EBITDAValuation multiple versus operating earnings before non-cash charges.	-1.51x	-72.42x	-38.24x	-12.60x	-0.48x	-0.04x
Net Debt / EBITDALeverage ratio using net debt divided by EBITDA.	0.50	0.38	0.25	0.14	0.05	0.14

Returns + ROCE gauge

ROCE latest

-440.1%

Prev year -215.2%

Returns + ROCE gauge table

Metric	2021	2022	2023	2024	2025	TTM
ROEProfit generated from shareholders' equity.	-232.6%	-56.9%	-75.1%	-298.5%	-736.1%	-1934.8%
ROAProfit generated from total assets.	-190.7%	-44.9%	-54.2%	-120.1%	-124.0%	-202.7%
ROICReturn generated on invested operating capital.	-201.0%	-53.8%	-63.8%	-202.9%	-235.4%	-572.6%
ROCEOperating return on long-term capital used.	-25.6%	-72.5%	-69.6%	-203.1%	-215.2%	-440.1%
Earnings YieldEarnings as a percentage of market value.	-50.1%	-1.4%	-2.8%	-8.3%	-231.1%	-577.0%

Cash flow quality

Cash flow quality table

Metric	2021	2022	2023	2024	2025	TTM
FCFFCash flow available to all capital providers.	$-52.73M	$-95.80M	$-60.69M	$-79.51M	$-48.22M	$-41.62M
FCFECash flow available to equity holders after debt flows.	$-55.68M	$-97.70M	$-62.42M	$-79.51M	$-48.00M	$-36.15M
FCF YieldFree cash flow divided by market capitalization.	-5.7%	-1.7%	-2.2%	-7.7%	-195.5%	-458.2%
Income QualityHow well accounting earnings are backed by cash flow.	0.11	1.05	0.71	0.84	0.79	0.64
Capex / OCFShare of operating cash flow spent on capital expenditures.	-5.3%	-17.4%	-10.5%	-10.1%	-6.7%	-7.9%

Operating efficiency

Operating efficiency table

Metric	2021	2022	2023	2024	2025	TTM
DSOAverage days to collect cash from customers.	0.0d	2021.8d	108.6d	140.1d	333.9d	-3.1d
DIOAverage days inventory stays before being sold.	0.0d	0.0d	59.9d	39.9d	1.5d	1.2d
DPOAverage days the company takes to pay suppliers.	0.0d	0.0d	49.1d	57.0d	31.5d	13.5d
Operating CycleTime from buying inventory to collecting receivables.	0.0d	2021.8d	168.5d	180.0d	335.3d	-1.9d
Cash Conversion CycleNet days cash is tied in operations.	0.0d	2021.8d	119.5d	123.0d	303.8d	-15.3d

Snapshot

Latest / TTM: —

Market Cap

$9.91M

ROE

-1934.8%

FCF Yield

-458.2%

Current Ratio

0.68

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