Market Knowledge
Webinars and reports around BESS economics.
Catalyst BESS Index
BESS economics at a glance
The Catalyst BESS Index tracks the current economics of battery storage projects across Europe — aggregated across all relevant revenue streams and market regimes.
Webinars & Reports

From Theory to Numbers: Quantifying the Business Impact of FCAs, Ramp-Rates and Grid-Fees on Renewable/Storage Projects in Germany
What is the concrete economic impact of grid connection requirements, ramp-rate limits, and grid fees on BESS and renewable projects in Germany? A quantitative analysis with live modeling in Catalyst.

Designing Co-Located PV/Wind + BESS in Germany
How does a co-located storage system change the business case of a renewable project? Sizing, dispatch strategy, and economics of wind and PV projects with integrated storage.
Knowledge Base
Revenue Stacking for BESS Projects
Which revenue streams can battery storage systems in Germany access simultaneously — and what restrictions apply when combining FCR, aFRR and arbitrage?
Explore BESS Benefits in Next-Gen Energy Storage Projects
Combining power generation with energy storage fundamentally transforms intermittent supply into a dependable resource for homes, businesses, and utilities.
Discover the Impact of Co-Located BESS on Energy Projects
Impact of Co-Located Battery Energy Storage Systems (BESS) on Renewable Energy Projects: Benefits, Challenges, and Optimization.
Analyses of Various Setups
Green Energy Storage: PV & Wind
Co-located BESS unlocks revenue streams that neither generators nor standalone storage can achieve alone. Five configurations — separately for PV and Wind.
Grey Power BESS
Standalone battery storage without co-location — revenue optimisation via ancillary services and spot arbitrage in the German market.
Standalone BESS: Grid Restrictions
Impact of grid connection conditions, power envelopes and reactive power requirements on the economics of standalone storage projects.
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.
Model your own projects
Apply the methodology directly to your projects — with personalized scenarios, site parameters, and auditable results.