The questions we hear most from our customers, asset owners and partners

Everything you want to know, in one place.

Co-location

  • Does Entrix optimize co-located BESS and PV assets?

    Yes. Entrix optimizes battery storage systems that share a grid connection with a PV plant, in two setups: green and grey co-location. We help you weigh both, including what each means for your remuneration under the German Renewable Energy Sources Act (EEG).

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Earning Revenue from Your Battery

  • Across which markets does Entrix trade battery assets?

    Entrix trades your battery storage system in several German markets at the same time. Our multi-market optimization decides continuously how to split its capacity across them to maximize total revenue.

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  • Does Entrix tailor its trading strategy to each asset?

    Yes. Entrix configures its trading strategy to each battery storage system. Before trading begins, we analyze its hardware and site and set up the algorithm for its opportunity space: what the asset can technically do, which markets it can access and which limits apply.

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  • Does Entrix's performance vary by season or day of the week?

    Yes. A battery’s revenues follow the market’s seasons. They are typically highest from spring to early autumn, when strong solar generation drives price spreads. Weekday and weekend patterns shift with market conditions and follow no fixed rule.

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  • Does the location of my battery affect what it earns in Germany?

    Your location determines which restrictions your distribution system operator (DSO) places on your battery storage system. Entrix builds these restrictions into the optimization, and they influence what your system earns.

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  • How does Entrix handle grid restrictions on an asset?

    Entrix builds your grid restrictions into the optimization, so your battery storage system keeps trading within them. A limit fixed in your connection agreement enters as a constraint. A limit your grid operator sets dynamically enters as a signal. Grid limits are an input to the optimization, not a reason to stop trading.

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  • How does Entrix handle ramp rate restrictions?

    Entrix dispatches your battery storage system within the ramp rate your grid operator allows. Our algorithm holds one setpoint across consecutive delivery periods, so your battery delivers more energy within the limit than with a return to zero after each period.

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  • Why do batteries of the same size earn different revenues?

    Because each battery has its own opportunity space: the full set of strategies that are physically possible and contractually permitted for it. Two batteries with the same power and duration can face very different conditions, and those conditions decide what each one can earn.

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Working with Entrix

  • Does Entrix have a limit to the size of assets it operates?

    We optimize battery energy storage systems (BESS) from 3 MW. What counts is the total size of your system: if several smaller units sit behind one energy management system (EMS) and add up to at least 3 MW, we optimize them the same way as one large battery.

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  • Does it make a difference whether I have one large battery or several smaller ones?

    Not for the optimization. Entrix optimizes a battery storage system the same way, whether it consists of one large battery or several smaller units behind one energy management system (EMS), as long as it adds up to at least 3 MW. We interact only with the EMS, so the setup behind it doesn’t change how we trade.

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  • How can Entrix support me in negotiations with my grid operator?

    Entrix doesn’t just trade within your grid restrictions, we work on them with you. From the development phase, we help you understand what a restriction means, calculate what it costs your business case and prepare alternatives for your discussion with your grid operator.

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  • How does Entrix handle redispatch?

    Under Redispatch 2.0, Entrix takes on two roles for your battery storage system towards the grid operators: operator of the technical resource and deployment responsible party. This is part of our standard offering.

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  • How many assets does Entrix have under contract?

    Entrix has 103 battery storage assets with 4.5 GW and 13 GWh under contract (as of November 2026).

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  • Is Entrix hardware-agnostic?

    We don't tie our optimization to a specific manufacturer of cells, inverters or energy management systems (EMS). Entrix connects to your battery through its EMS, using an industry-standard protocol. Your EMS implements our predefined data point list.

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  • When should I involve Entrix in my project?

    Entrix supports your battery storage system from development to live operations. In development, we work through the decisions that shape its revenues with you.

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  • Where does Entrix operate?

    Entrix is active in Germany, Poland, Italy, Spain and Portugal. Our teams work from offices in Munich, Warsaw, Milan and Madrid, close to the markets and the clients they serve.

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  • Which clients does Entrix work with?

    We work with infrastructure funds, independent power producers (IPPs), project developers and local utilities. Among our clients are MEAG (Munich Re), Encavis, Aquila Clean Energy, Blue Elephant Energy, W Power and green flexibility.

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  • Who handles prequalification for ancillary services?

    Entrix handles prequalification for frequency containment reserve (FCR) and automatic frequency restoration reserve (aFRR). We prepare the documents, run the required tests and manage the process with the transmission system operator (TSO), so your battery can provide balancing services.

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Need help with your battery storage project? Our experts are here to answer your questions and find the right solution for your needs.

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