IndexMrz 2026·Illustrative Daten
Index
BESS economics at a glance
The Catalyst BESS Index tracks the economics of battery storage projects in Germany — aggregated across FCR, aFRR, intraday and day-ahead arbitrage revenues.
Monthly revenues by product
50 MW assetFCR
aFRR
ID
DA
EUR/MW p.a.Ø Erlös p.a. / MW172k EUR/MW p.a.·Jan – Nov 2025 · 11 Monate
Model parameters
Installed power50 MW
Storage duration0.9 h / 1.5 h (7 steps)
Round-trip efficiency (RTE)84.64 %
Depth of discharge (DoD)100 %
Cycle limit2 / day · 504 / year
Self-discharge0.01 % / h
Asset lifetime15 years
Analysis periodJan – Nov 2025
Revenue unitEUR/MW p.a. (annualised)
Additional analysis
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Note: All analyses and figures are based on simplified model assumptions and historical market data. They are for illustrative purposes and do not constitute investment advice. Project-specific analyses account for individual site parameters, current market prices, and financing structures.
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