STACKEASE

StackEase is a French battery aggregator and optimization software company focused on standalone and co-located battery energy storage systems (BESS). It operates batteries connected to the French public distribution network managed by Enedis, at low-voltage (BT) and medium-voltage (HTA) connection levels, and states that its technology addresses all connection types (BT, HTA, HTB) in both front-of-the-meter and behind-the-meter configurations, though it reports no behind-the-meter site in operation at present.

The company's stated core activity is optimizing the dispatch of batteries to maximize net revenue rather than gross revenue, explicitly incorporating variable TURPE network charges, cycling limits, degradation costs and correction costs from ancillary-service activations into its algorithms. Services span four areas: long-term simulation studies using the same algorithms as live operations to size batteries against project IRR and support bankable business plans; multi-market aggregation across wholesale day-ahead and intraday markets through its own market access and across reserve markets (capacity mechanism, FCR, aFRR) via a partner balance-reserve responsible entity; trading on behalf for balance-responsible parties and EPEX or Nord Pool members seeking intraday exposure; and a performance-monitoring dashboard showing day-to-day financial performance and the physical state of a site's digital twin.

The team is presented as spanning CEO, CTO and COO co-founders alongside machine learning, optimization, software, power-market analysis and business development roles. Third-party company listings characterize StackEase as a spinoff from INRIA and describe its products as using machine learning and reinforcement learning techniques to optimize battery bidding strategies across ancillary services and short-term markets.

Founding story

Maxence Garson, Gauthier Mouette and Paul Aubin met and worked together at INRIA, the French National Institute for Research in Computer Science and Automation, and incorporated StackEase in August 2023, prioritizing technological development from the outset. Company listings describe StackEase as an INRIA spinoff.

Business model

StackEase sells optimization and aggregation services to owners and developers of battery energy storage assets rather than owning the assets itself. Offerings include long-term revenue studies and battery sizing for project business plans, multi-market aggregation of standalone or co-located batteries, trading on behalf of balance-responsible parties and EPEX or Nord Pool members on the continuous intraday market, and a performance-monitoring dashboard presenting financial results and the digital twin of a site.

The company monetizes through services to battery developers, owners and aggregators, including paid long-term revenue and sizing studies, battery aggregation across wholesale and reserve markets, trading-on-behalf contracts with balance-responsible parties and market members, and a performance-monitoring dashboard.

Traction

The company reports batteries in operation or under performance monitoring since 2025 on the Enedis network at BT and HTA voltage levels, and studies carried out on standalone and co-located batteries. It holds direct access to wholesale day-ahead and intraday markets and reaches reserve markets (capacity mechanism, FCR, aFRR) through a partner. No behind-the-meter site is in operation as of the company's own statement.