Environment, Energy & Green Transition

Environment, Energy & Green Transition

Castrén & Snellman is recognised as a leader for energy and infrastructure work in Finland. Its strength is apparent across the board.

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We advise our clients in environmental and energy law as well as in green transition projects. 

We handle your project’s permitting and appeal processes on your behalf. Drawing on our strong industry knowledge, our experts will help you in developing green transition projects and drafting related contracts. We support you in all legal issues in the energy market.

We manage the ever-changing regulatory landscape of environmental and energy law on your behalf. We monitor EU regulatory developments to anticipate regulatory changes affecting your business. We act as your strategic speaking partner in project development and on environmental and energy law issues.

The green transition is gathering pace and creating significant new business and growth opportunities for businesses. As an adviser in environmental and energy law, we help clients in identifying and seizing the opportunities presented by the energy transition.

Latest references

Castrén & Snellman is acting as the legal advisor to the City of Pori and Pori Energia Oy in the finance arrangement whereby debt facilities in the total amount of EUR 292 million are secured for the purpose of refinancing the existing liabilities and fuelling the future growth of Pori Energia. Pori Energia and its financiers signed a Finnish law governed facilities agreement for this purpose on 13 January 2025. Pori Energia, a multi-utility company, operates in various sectors including district heating, electricity distribution, and electricity generation through CHP and renewable sources. The company also provides wind power services and industrial energy solutions in the Satakunta region where it has c. 60,000 customers.
Case published 6.2.2025
Castrén & Snellman is acting as the legal advisor to the City of Pori in its sale of a 49% stake in Pori Energia to Polhem Infra. Pori Energia, a multi-utility company, operates in various sectors including district heating, electricity distribution, and electricity generation through CHP and renewable sources. The company also provides wind power services and industrial energy solutions in the Satakunta region. This strategic partnership between the City of Pori and Polhem Infra aims to enhance Pori Energia’s financial stability and investment capabilities, enabling the company to further its efforts in the energy transition and continue delivering high-quality energy services to its customers. Polhem Infra, owned by Swedish state pension funds, focuses on investments in critical infrastructure, including renewable electricity generation, energy storage, energy distribution, digital infrastructure, and transport infrastructure. The transaction values Pori Energia at EUR 905 million. 
Case published 31.1.2025
We advised Korkia Oy in its loan agreement with Nordic Environment Finance Corporation. The financing will support the development and international scale-up of Korkia’s pipeline of solar energy, battery energy storage system (BESS) and onshore wind projects. Korkia is a dedicated investor in renewable energy operating in nine countries. It has a robust development pipeline of over 20 GW in renewable energy and energy storage projects.
Case published 7.1.2025
We are advising Oomi Oy in a business transaction whereby KSS Energia Oy’s consumer and business customers in the retail sale of electricity will be transferred to Oomi. The transfer is scheduled to take place in March 2025. The arrangement requires approval from the Finnish Competition and Consumer Authority. Oomi Oy is one of the largest energy service companies and electricity sellers in Finland. The arrangement is a result of the recent development of the electricity market and Oomi’s strategy, which aims to offer customers a seamless and improved digital customer experience.
Case published 20.12.2024