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Flexible assets
Why an optimisation agreement?
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Multi-marketWe optimise across all major European power markets including day-ahead, intraday, ancillary services, and imbalance. By combining multiple revenue streams into one strategy, we capture value wherever it emerges. This integrated approach ensures a diversified and future-proof revenue stack, adapting seamlessly as market dynamics and regulatory frameworks evolve. -
Open-book reportingWe operate on a full open-book basis: every trade, every position, and every revenue stream is fully visible. Clients receive transparent reports and real-time dashboards, giving complete clarity into value creation and risk management. Our reporting is independently audited and approved, ensuring reliability and trust in all disclosed performance data. -
Trading excellenceWe combine the speed of algorithms with the judgement of human traders. Our in-house 24/7 trading desk continuously adapts to changing conditions, balancing automation with active portfolio steering. This dual approach ensures assets react instantly to market signals while benefiting from the experience and oversight of professional energy traders. -
Multiple commercial offeringsWe can shape the contractual structure to match the financial structure of your project: We have merchant, tolling, partial tolling, and swap products to tailor the agreement to your needs.
Explore our markets
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BESS under contract
Battery Energy Storage Systems FAQ
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We offer a range of commercial setups tailored to different investor needs, including:
- Swap products
- Full tolling and partial tolling
- Merchant optimisation
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We combine deep market expertise with cutting-edge technology:
- Proven optimisation performance: In 2024, we doubled our European BESS portfolio and delivered strong revenue growth through hybrid trading strategies and AI-enhanced algorithms.
- Multi-market: We operate across multiple markets with one asset; having the capabilities to switch between revenue streams in short notice and virtually split assets across multiple markets in order to capture the value where it occurs.
- Verified results: Our TBM (Transaction-Based Model) principles have been externally audited and verified, confirming compliance and robustness of our operations.
- Strong partnerships: We collaborate with developers, investors, and grid operators.
- In-house capabilities and support: Every capability needed to optimise and trade is utilised in-house at Centrica Energy, going from algorithms and analytics to trading capabilities and market access. 24/7/365, we support and optimise via our skilled trading and operational duty desks.
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BESS projects generate revenue in two ways: via wholesale trading and ancillary services and imbalance markets. In wholesale (day-ahead and intraday), batteries buy when energy is cheap and sell when scarce. Ancillary services and imbalance markets provide grid stability. Future-proof optimisation requires a multi-market strategy to maximise revenues.
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In Belgium, Germany, UK, and the Nordics, value mainly comes from ancillary services, intraday trading, and wholesale arbitrage. We tailor strategies to each country, ensuring BESS assets are always optimised for the most valuable opportunities in their market.
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Merchant revenues come from wholesale and balancing markets, offering higher upside but greater volatility. Contracted revenues such as tolling agreements, floors, or capacity payments reduce market exposure and provide hedged cash flows, which can be crucial for financing. We offer merchant, swap, tolling, and partial tolling propositions to meet project finance and credit requirements.
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Outsourcing BESS optimisation provides access to 24/7 trading desks, advanced algorithms, and market expertise without the cost of building internal teams. At Centrica Energy, we deliver BESS trading and optimisation services to our clients without relying on any 3rd party market access or technological platform.
