COBRA
COBRA CALCULATORS

Model your site.
Check the economics.

Energy, compute and infrastructure calculations in one COBRA workspace. Provider data and methodology are identified directly on each result.

Solar calculatorHydrogen calculator
COBRA MODELS

Operating models across the ecosystem.

Open the relevant application inside Explorer for live market context, site economics and COBRA operating decisions.

MiningBitcoin Mining EconomicsFleet, tariff, break-even and margin.ComputeData Centre PowerCapacity, PUE, utilisation and power cost.GenerationGeneration vs ComputeGrid sale and compute allocation.StorageBattery DispatchCharge, discharge and export spread.HomeTariff ShiftHalf-hourly load and flexible demand.
SOLAR · SITE RESOURCE

Solar PV yield calculator

DATA & MODEL European Commission JRC · PVGIS 5.3
Enter your site coordinates and system size.
—Annual PV production
—Average daily production
—Specific yield
—Capacity factor
—Plane-of-array irradiation
—Optimised module slope
Monthly PV productionkWh
Data & model: European Commission Joint Research Centre · PVGIS 5.3
Calculation is requested and displayed through COBRA.

PVGIS models grid-connected PV production using location-specific solar-resource and meteorological data. Results are estimates and remain sensitive to shading, equipment, installation, curtailment and site-specific losses.

HYDROGEN · GAS TURBINE

Hydrogen decarbonisation calculator

REFERENCE MODEL Siemens Energy
—Hydrogen share of fuel energy
—Annual CO₂ avoided
—Resulting CO₂ intensity
—Annual hydrogen requirement
—Annual natural-gas equivalent
—Electrolysis electricity
—Stoichiometric water requirement
—Indicative carbon value
Reference structure: Siemens Energy · Hydrogen Decarbonization Calculator
COBRA calculation using the site assumptions entered above.

The calculation converts hydrogen volume share to fuel-energy share and applies the user-entered plant efficiency and baseline CO₂ intensity. It is a COBRA engineering estimate, not a Siemens Energy result, warranty or equipment-performance guarantee.