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Research

Five lessons from the first 15-minute day-ahead auction in Germany

Market & Policy Updates

4 days ago

Many expected Europe’s first 15-minute day-ahead auction to generate a smooth price curve. So why did the sawtooth return - and what does this new volatility mean for batteries?

Intraday trading explained: How to win in 96-dimensional chess

25 Sep 2025

Germany’s intraday market is Europe’s deepest and most volatile. Over a million trades happen each day across 96 delivery windows, with prices swinging violently within minutes. Batteries are best placed to turn this volatility into exceptional returns, but only if optimisers know how to navigate it.

aFRR explained: Germany’s biggest ancillary services opportunity

12 Sep 2025

Automatic frequency restoration reserve (aFRR) is Germany’s biggest ancillary-service opportunity - and batteries are built for it. Value comes from two linked markets: a day-ahead capacity auction (pay-as-bid, €/MW/h) and a near-real-time energy auction (pay-as-clear, €/MWh). But rising competition means optimisation, not just qualification, decides the winners.

Where should you build a battery in Germany? Four factors to watch

08 Sep 2025

Germany has no locational pricing signals. Developers need to be able to navigate grid access, CapEx differences, and curtailment risks to find the winning location for a battery.

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