Who handles prequalification for ancillary services?

Working with Entrix

What prequalification involves

Before a battery can provide balancing services, the TSO confirms that it meets the technical requirements. The process covers documentation and test runs. We together with the balancing service provider prepare the documents, run the tests and manage the process with the TSO for you.

When it happens

We start prequalification when your battery goes into commercial operation. Until it is complete, your battery trades in the wholesale markets.

Rules differ by market

Requirements and processes vary by country and TSO. Our teams track them and adapt the process to your market.

Why it matters for your revenues

Balancing services are part of a battery's revenue stack. The sooner your battery is prequalified, the sooner it can earn there. We prepare prequalification during onboarding, so the process can start as soon as your battery goes live.

Explore related FAQs

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 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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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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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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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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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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