Return.
Game
changer
in
flexible
energy.
Our Mission

Storing tomorrow's energy, today

We envision a world where every renewable electron is preserved, powering a sustainable and resilient future.

At Return, we are committed to revolutionizing energy storage to accelerate the transition to clean energy. Our mission is to own and provide large-scale energy storage systems that deliver flexible, smarter, and more efficient power solutions.

By ensuring renewable energy is reliable and accessible, we help Europe achieve its net-zero goals and reduce geopolitical dependencies. With a growing presence across four countries, our team is dedicated to building a cleaner, independent energy future—where no green energy ever goes to waste.
Locations
213
Capacity live
141MWh
Renewable energy loss prevented
115GWh
CO2 reduction
18500ton
Stakeholder Overview

Return and its stakeholders accelerate the energy future. Together.

Customers

Whether you are looking for flexibility in your portfolio or aiming to unlock value in the energy market, we offer a broad range of tailored solutions.

Authorities

To tackle climate change, everyone must contribute. Governmental bodies, municipalities and grid operators can accelerate the energy transition. We assist you with implementation.

Landowners

We install battery storage systems near substations for grid integration. Do you own agricultural or industrial land nearby? We offer compensation and guide you through the process.

Investors

With your institutional investment, we can provide more flexibility to the market. Come on board, invest in a new market, invest in the future.

Suppliers

As the third pillar of renewable power generation, battery storage systems are indispensable for using new energies.

Partners

Are you a project developer? We provide our expertise in return for a partnership. As a majority stakeholder in the project, we increase the likelihood of project completion.

General Public

Return ensures that no renewable energy goes to waste. We engage with local communities, environmental organizations, the media, and the public to drive a sustainable energy future and support the transition to independent power.
One Company

Under one brand, we operate across multiple locations with a clear vision for Europe's energy future.

Antares
Antares is Return’s next large-scale energy storage project, set to further strengthen grid stability and support renewable energy integration in the Netherlands.
100 MW / 200 MWh
NL
Financial Close
Fixed Leasing Model
Castor & Pollux
Pollux and Castor, two large-scale battery storage (BESS) projects in Vlissingen, enhance grid stability and support the energy transition.
60 MW / 120 MWh
Zeeland, NL
Operational
Fixed Leasing Model
Mufasa
One of Europe’s largest battery storage projects, Mufasa will stabilize the Dutch power grid and accelerate the energy transition.
364 MW / 1457 MWh
NL
Financial Close
Market Revenue Index
White Horse
White Horse is J&P Batterieprojekte’s first operational battery storage project in Germany, supported by Return to strengthen the country’s renewable energy transition.
12 MW / 25 MWh
Brietlingen, DE
Contracting
Merchant
Star
Operational since 2021, Star enhances grid stability and supports renewable energy integration in Terneuzen.
10 MW / 10 MWh
Zeeland, NL
Operational
Fixed Leasing Model
See our locations and their impact at different scales.
Our Partners

We take pride in collaborating with industry-leading partners.

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Contact Us
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