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Energy Vault Holdings NRGV Operation and maintenance services — Revenue

Other product segments

Sale of Energy Storage Products to Customers Under Bill-and-Hold Arrangements
$47.2M—
Sale of energy storage products
$19.71M+303%
Software licensing
$182K+62.5%
Intellectual property (“IP”) licensing
$15K-99.5%

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FLNCService — Revenue
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SYMOperation services — Total Revenue
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Other financials

Income statement

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Revenue$21.9M+156%
Gross profit$4.8M-1.8%
Operating income-$24.2M-15.8%
Net income-$32.5M-53.7%
EPS (diluted)-$0.20-42.9%

Balance sheet

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Cash & equivalents$117.1M+148%
Total debt$211.4M+643%
Total equity$30.5M-73.5%
Total assets$298.0M+37.1%

Cash flow

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Operating cash flow-$53.8M-1,871%
CapEx$7.1M+4.1%
Free cash flow-$60.9M-540%

Valuation

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Market cap$759.33M+502%
Enterprise value$853.62M+695%
P/S3.5×+0.8×

Profitability

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Gross margin22.1%+2.9pp
Operating margin-35.8%-16.6pp
Net margin-53%-23.8pp
FCF margin-247.8%—

Returns & leverage

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Return on equity-158.2%+1,524pp
Debt / equity6.9×+6.7×
Current ratio1.4×+0.6×

Where this comes from

Reported directly by Energy Vault Holdings in its filing.

Tagged under the XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.

The official record: Energy Vault Holdings’s 10-Q, filed May 19, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Energy Vault Holdings's operation and maintenance services — revenue?
Energy Vault Holdings (NRGV) reported operation and maintenance services — revenue of $444K in Q1 2026.
How has Energy Vault Holdings's operation and maintenance services — revenue changed year-over-year?
Energy Vault Holdings's operation and maintenance services — revenue increased by 60.9% year-over-year, from $276K to $444K.
What does operation and maintenance services — revenue mean?
This metric represents the total revenue generated from providing ongoing operational support, monitoring, and maintenance services for energy storage systems. It reflects the company's ability to monetize long-term service contracts and ensure the reliability of installed grid-scale storage infrastructure. Growth in this segment indicates an expanding installed base and a shift toward recurring, high-margin service revenue streams.