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WA-80036

RCT Solutions GmbH / Wärtsilä Energy Storage Finland OyWA-80036

View on ACCC

Processing timeline

24

days

Filed

3 Aug 2026

Notification waiver determination published

Decision

27 Aug 2026Notification waiver determination published
Type
Waiver
Outcome
Approved
Stage
Waiver application
Status
Assessment completed

Parties

Acquirer(s)

RCT Solutions GmbH HRB 708952

Target(s) or Vendor(s)

Wärtsilä Energy Storage Finland Oy 3343823-6, Wärtsilä Finland Oy 0773744-3

Other parties

WARTSILA ENERGY STORAGE AUSTRALIA PTY LTD ABN - 94 673 275 002, Wärtsilä Energy Storage Inc 7179583

Summary

German engineering firm RCT Solutions GmbH will acquire 50% of Wärtsilä Energy Storage Finland Oy from Wärtsilä Finland Oy via a Share Purchase Agreement. This establishes a joint venture in the utility-scale battery energy storage sector. Wärtsilä Energy Storage Finland Oy supplies equipment into Australia.

Acquisition details

RCT Solutions GmbH ( RCT Solutions ), based in Konstanz, Germany, is an independent German engineering house dedicated to consulting and engineering services for clients in the photovoltaic and battery manufacturing space. It offers end-to-end consulting, engineering, and ramp-up services for photovoltaic cells and modules as well as battery manufacturing plants. RCT Solutions has no Australian operations. RCT Solutions is part of the wider RCT group, which is a privately held family of technology and manufacturing companies headquartered in Konstanz, Germany. The vendor, Wärtsilä Finland Oy (the Seller ), is a subsidiary of Finnish technology group Wärtsilä and is headquartered in Vaasa, Finland. It is a global manufacturer of combustion engines, propulsion systems, and power plants for the marine and energy sectors. The Seller currently holds 100% of the share capital in Wärtsilä Energy Storage Finland Oy ( Wärtsilä Energy ). Wärtsilä Energy is headquartered in Helsinki, Finland. It is the energy storage business of the Finnish technology group Wärtsilä and acts as a system integrator, combining battery cells from leading manufacturers with its own energy management software, power conversion technology, controls, and lifecycle services to deliver complete, utility-scale battery energy storage solutions for modern power systems. Wärtsilä Energy supplies equipment into Australia directly, and provides services to customers domestically through its wholly owned local subsidiary, Wärtsilä Energy Storage Australia Pty Ltd. Pursuant to a Share Purchase Agreement, RCT Solutions will acquire from the Seller 50% of the shares in Wärtsilä Energy (the Acquisition ). The Acquisition will establish a joint venture with the Seller retaining the remaining 50%. Post-acquisition, the Seller and RCT Solutions will jointly control Wärtsilä Energy.

Industry

Broad:Professional & Business Services

Decisions and key events

27 Aug 2026Notification waiver determination publishedAttachmentPDF126.3 KB

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