Author
Lennard Wilkening
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Articles written by Lennard Wilkening
Stacking value in a changing market: BESS revenue in October
October brought a fundamental shift to battery trading dynamics In Germany as the day-ahead market switched from hourly to 15-minute intervals. Lennard Wilkening, CEO and Co-Founder of suena energy, breaks down how this structural change, combined with shifting weather patterns, reshaped revenue opportunities – and why tactical responsiveness across markets will only grow in importance as winter volatility sets in.
Nov 28, 2025
Back in motion: Battery revenues surge as volatility returns
After a relatively slow couple of months, September brought back a more favorable trading environment for battery operators in Germany. Lennard Wilkening, CEO and Co-Founder of suena energy, unpacks what drove the rebound and why precision and the right strategy are set to matter even more as day-ahead trading transitions to 15-minute granularity.
Between the peaks: Battery strategy in a moderate August
After a dip in July, battery storage revenues in Germany posted a modest recovery in August. Drawing on his company’s August revenue benchmark, Lennard Wilkening, CEO and co-founder of suena energy, explores what drove the recovery – and why adaptive, multi-market strategies continue to outperform static approaches even when market conditions are neither volatile nor flat, but somewhere in between.
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Profitability in quieter markets: what July revealed about battery strategy
After two record-breaking months for battery storage revenue in Germany, July brought a sharp shift: fewer price spikes, softer ancillary markets, and a steep drop in arbitrage opportunities. Drawing on Suena Energy’s latest monthly benchmark, the company's CEO and co-founder, Lennard Wilkening, unpacks the July revenue dip, what it signals about shifting market regimes, and why dynamic, multi-market optimization remains essential – especially when volatility fades.
Why the strategy is key: Lessons from real-world benchmarks
Maximizing value from battery energy storage systems (BESS) isn’t just about having the right hardware – it’s about executing the right strategy. Lennard Wilkening, CEO and co-founder of Germany's suena energy, explores what makes standalone BESS profitable in increasingly competitive and volatile market, and what real-world benchmarks, such as suena’s monthly revenue update, reveal about the role of dynamic multi-market optimization.
Battery storage on a capacity market
In Germany – but not only there – there is a heated debate about the pros and cons of a capacity market. The German Renewable Energy Association is against it, and recently the German New Energy Industry Association, the DIHK and the EEX energy exchange have also taken a clear stance: Germany does not need a “power plant subsidy program.” In this article, four experts explain why battery storage can also play an important role in a capacity market and make recommendations on how the design of the market can help avoid mismanagement, wrong incentives and unnecessary costs.
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