SSUSHUISYSTEM SIZINGConnecting…

FUEL CELL SELECTOR

Find the fuel cell
for your daily load.

Enter your power demand and hours of use. Compare models and fuel needs over one year.

365-day comparisonAverage power sizingYearly fuel estimates
START WITH AN EXAMPLE
API connection

Use /api for the local server, or http://localhost:7071/api for Azure Functions running locally.

01 / DAILY DEMAND

Your daily load

For a continuous 50 W load, enter 50 W and 24 hours. Add equipment only if you need a breakdown.

02 / OPTIONAL SOLAR

Do you have solar panels?

Include location-based solar generation in the yearly comparison.

03 / ENERGY STORAGE

Your battery

Charge control & efficiencies

SOC settings model the controller. They are editable assumptions.

04 / OPERATING CONDITIONS

Run the comparison

One year · 365 days

Every comparison uses the same repeating daily demand for one full year.

Fuel sensitivity uses each product’s catalogue range, currently 0.8–1.1 L/kWh.

Fuel cell + battery + optional solar

Fuel cell degradation follows its accumulated running hours.

Compare all models in your product catalogue.

Product catalogue

Models and compatibility settings are loaded from the calculator’s editable catalogue.