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Things we've put our energy into

We manage around EUR 200 million of assets across 80+ ventures, built through different routes. Some we invest in directly, taking a minority stake and working alongside the founders. Some we access through the VC funds we invest in, giving us exposure to a broader portfolio of companies. And some we build ourselves within Fortum, starting from opportunities we identify in our focus areas.

The mix is deliberate. Direct investments let us work closely with individual startups. VC fund investments extend our reach into new networks, technologies, markets and companies beyond our direct portfolio. Venture building lets us pursue opportunities where Fortum has the expertise and capabilities to build something new. What they share is the ground they cover: future energy systems, intelligent operations, and industrial decarbonisation.

Selected portfolio examples

Direct investment, 2025 | Decarbonization ​

Small modular nuclear reactors for low‑temperature district‑heating​

Direct investment, 2025 | Digitalization & intelligent operations​

B2B AI platform for energy and capacity​

Internal venture, 2024 | Digitalization & intelligent operations​

B2B solution for behind the meter energy optimization​

Direct investment, 2024 | Decarbonization ​

ESG platform to manage sustainability data​

Direct investment, 2023 | Future energy system​

Home‑energy‑efficiency and energy‑data platform​

Direct investment, 2021 | Decarbonization ​

Recovering metals from steel slag​

Direct investment, 2019 | Decarbonization ​

Carbon removal standard and registry platform​

Direct investment, 2016 | Future energy system

Printable light‑harvesting solar cells​

Let's build what's next

We're thirty people across the Nordics, working in investing, venture building, strategic insight, partnerships, and communications. We've spent years in the energy industry and years working with partners across the startup and innovation ecosystem.

Pitching, partnering or just exploring? Tell us what you're working on. We'd love to hear about it.

Gustav Eilertsen

Gustav Eilertsen

Fortum Innovation & Venturing leadership

gustav.eilertsen@fortum.com
Annemari Kirppu portrait BW

Annemari Kirppu​

Startup and fund investments​

annemari.kirppu@fortum.com
Portrait of Kristina Hoff Wanderås

Kristina Hoff Wanderås​

Venture building​ ​

kristina.hoff.wanderas@fortum.com
Portrait of Tapio Poutiainen

Tapio Poutiainen

Corporate research & partnerships​ ​

tapio.poutiainen@fortum.com
Viivi Griinari

Viivi Griinari

Communications & media

viivi.griinari@fortum.com