8 min
Return on investment for battery storage: Real numbers from the Czech market
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How we calculate ROI, which costs matter and why subsidy scenarios are crucial.
CAPEX, OPEX and operating reality
Payback is more than the battery price. Maintenance, degradation, grid availability, tariff profile and operating changes all matter.
Why the gap between companies is huge
A site with sharp peaks, PV and expensive power can have a much better payback than a flatter load profile. That is why the model must be site-specific.
What is realistic
In the Czech market the point is not to promise miracles but to show conservative and optimistic cases. Investors need that level of honesty.