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SiteCheck Trade & Energy – Green Hydrogen LCOH Calculator
x402
SiteCheck Trade & Energy – Green Hydrogen LCOH Calculator is a paid API for AI agents from api.tradeenergy-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Calculates the levelized cost of green hydrogen production (LCOH, €/kg) from electrolyser inputs including capex, O&M, electricity, water, and financing assumptions, optionally fetching live EPEX SPOT Germany-Luxembourg electricity prices.
Price / call$0.002
Success—
StatusUnknown
How this service works
Green hydrogen levelized production cost (LCOH, per kg) from an electrolyser: capital cost annuity, fixed O&M, electricity and water, from your inputs or defaults (system 55 kWh/kg, 1,000 €/kW installed, 8% WACC, 20 years, 4,000 full-load hours, 3% O&M). Without an electricity price it uses the latest EPEX SPOT Germany-Luxembourg day-ahead baseload price. A transparent calculator, not a traded hydrogen price.
Output
A JSON object containing the total LCOH in €/kg, broken down into capex annuity per kg, O&M per kg, electricity cost per kg, and water cost per kg, plus the capital recovery factor, the electricity price and its source (user-supplied or live EPEX SPOT), a timestamp, and all assumptions used in the calculation. Includes a note that grid fees, taxes, compression, storage, and stack replacement are excluded.
Example use cases
Green hydrogen project feasibility check
“I'm evaluating a green hydrogen plant with a 900 €/kW installed cost, 52 kWh per kg electricity use, 7% WACC, 5,000 full-load hours, 20-year lifetime, and 3% O&M — what would the LCOH be at an electricity price of 60 €/MWh, and how does it break down?”
Live EPEX electricity price hydrogen cost
“Using today's latest EPEX SPOT Germany-Luxembourg day-ahead electricity price, what is the green hydrogen production cost per kg with default assumptions for capex, efficiency, and financing?”
LCOH sensitivity to electricity price
“What does green hydrogen cost per kg at 20 €/MWh versus 80 €/MWh electricity, using a 1,000 €/kW electrolyser, 55 kWh per kg, 8% WACC, 4,000 full-load hours, and a 20-year lifetime?”
Technical details
Endpoint
GEThttps://api.tradeenergy-api.workers.dev/api/energy/hydrogen-spot-production?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a transparent, itemized techno-economic breakdown of green hydrogen production cost (LCOH) from first principles — capex annuity, O&M, electricity, and water — rather than a traded market price. Especially useful when you want to vary electrolyser cost, efficiency, financing, or load factor assumptions, or when you want to anchor calculations to the live EPEX SPOT Germany-Luxembourg day-ahead price automatically. It is not a hydrogen spot market price feed.
Side effects
- If EPEX SPOT data is unavailable and no electricity price is supplied, the endpoint may fail or return an error
- Invalid query parameter types (e.g. non-numeric strings) may cause computation errors
- capacityFactorHours outside the 500–8760 range may be rejected
- Network timeout on the Cloudflare Worker if EPEX data fetch is slow
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"note": "Green (electrolytic) hydrogen. Grid fees, taxes, compression, storage and stack replacement are not included.",
"source": "https://www.epexspot.com/en/market-results",
"omPerKg": 0.41,
"currency": "EUR",
"checkedAt": "2026-10-23T09:38:23.419Z",
"lcohPerKg": 9.47,
"capexPerKg": 1.4,
"waterPerKg": 0.09,
"assumptions": {
"waccPct": 8,
"kwhPerKg": 55,
"capexPerKw": 1000,
"omPctOfCapex": 3,
"fullLoadHours": 4000,
"lifetimeYears": 20,
"waterEurPerKg": 0.09
},
"electricityPerKg": 7.57,
"capitalRecoveryFactor": 0.1019,
"electricityPricePerMwh": 137.59,
"electricityPriceSource": "EPEX SPOT DE-LU day-ahead baseload, delivery 2026-10-23"
}
}Tags
x402
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