[ Calculator · v1.0 ]

Size
your BESS.

Preliminary estimate of capacity, CAPEX, annual savings and payback. For detail engineering, our team prepares a tailored business case in under 72 hours.

01Use case
02Target power
5MW
0.5–50 MW
03Duration / autonomy
4hours
1–8 hours
04Average energy price
120€/MWh
50–250 €/MWh
[ Result · estimate ]20.0 MWh target
Recommended configuration
4×
ZellVolt Ultra
Installed capacity 20.0 MWh · LFP liquid-cooled · triple-layer BMS
Estimated CAPEX
€3.60M
Annual savings
€89k
Payback
40.6 yrs
CO₂ avoided
1.3 kt/yr
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* Indicative estimate. Considers turnkey CAPEX excluding OPEX, interconnection engineering or NextGen/IDAE incentives.