Optimizing BESS: Marbl’s SaaS Solution for Battery Analytics
Industrial-scale batteries are expected to become one of the fastest-growing asset classes in the coming years. Forecasts suggest that European BESS capacity will expand annually by roughly 25–35%, particularly in front-of-meter/grid-scale projects and industrial applications. At the same time, batteries can be highly profitable assets when used to arbitrage between wholesale and ancillary service markets.
A growing number of companies now offer trading-as-a-service for project developers investing in batteries and independent power producers with co-located storage. These providers typically develop their own analytics, viewing software as a core part of their business. Battery owners are often compensated with a share of profits or in some cases only a fixed fee, while the trading company captures most of the upside. As a result, many battery owners are increasingly interested in trading on their own, which drives demand for specialized software tools, including those with advanced battery analytics. While short-term trading software is relatively standardized, real-time BESS optimization remains less developed. Many modern ETRMs support real-time trading and market communication but lack dedicated battery analytics.
Marbl Energy is one of the few companies addressing this gap. A young Austrian SaaS provider, Marbl offers a solution that integrates battery analytics with trading communication software. The platform allows users to configure standalone or co-located battery assets with all technical parameters, continuously stream asset data via APIs, import weather and market data in real time, run optimizations across multiple markets from day-ahead to intraday and ancillary services and generate actionable trading signals. It also supports back-testing, revenue calculations, and API-based integration.
The system creates bids for FCR, aFRR, mFRR, day-ahead and intraday auctions, as well as continuous intraday trading. Bid submission is then handled by complementary communication tools which are usually a part of shirt term trading solutions. Marbl’s software can be seamlessly integrated into existing trading environments and used as part of a broader ecosystem that includes trading, market and TSO communication software.
In my conversation with Armin Greinöcker, Marbl’s CEO, he noted that he sees few direct competitors outside of trading-as-a-service providers. With the battery market expanding rapidly, he anticipates strong demand for Marbl’s solution from utilities adding storage to their portfolios, independent power producers, and project developers seeking to maximize returns from their assets.
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