Steady Energy Oyj
Steady Energy Oyj is a Finnish nuclear technology company spun out from the VTT Technical Research Centre of Finland, focused on commercializing small modular reactor (SMR) technology specifically engineered for low-temperature heat generation. Its core product is the LDR-50, a dedicated water-cooled heating reactor intended to replace fossil fuels in municipal district heating networks and industrial heat applications. Headquartered in Espoo, Finland, the company operates as a pre-revenue technology developer preparing for commercial deployment across Northern and Central Europe.
Fiscal year 2025 · change from previous year
Development 2024–2025
Business
Share of revenueDesign, licensing, and turnkey engineering and construction of 50 MWth district heating nuclear reactors
Long-term baseload heat off-take agreements selling thermal energy directly to local grids
Nuclear safety consulting, maintenance, refueling support, and operational services
Customers
Steady Energy targets municipal district heating operators and energy utilities seeking zero-carbon baseload heat to replace fossil-fuel and biomass boilers. The company also addresses industrial steam and heat consumers requiring stable, decarbonized, and price-predictable thermal energy. Customer engagement relies on early Technical Studies and Contracts (TSCs) leading to EPC or Heat-as-a-Service arrangements.
Urban heating grid operators seeking baseload fossil-free heat to achieve net-zero targets
Industrial facilities requiring stable, long-term, decarbonized low-temperature thermal energy
Energy producers evaluating SMR units under EPC contracts or joint ownership structures
Strategy
Steady Energy's strategic priority is advancing the LDR-50 reactor through regulatory licensing, pilot testing, and first commercial deployment. The roadmap targets securing initial commercial Technical Studies and Contracts (TSCs), receiving a Finnish Decision-in-Principle (DiP), and commencing pilot plant operations. The long-term commercial strategy utilizes both turnkey EPC contracts and Heat-as-a-Service models to capture stable recurring cash flows.
Validates core design, safety features, and operating economics prior to commercial rollout
Secures essential government and nuclear safety authority approvals required to build
Proves the commercial viability of nuclear district heating and drives series production
Geography
Steady Energy is based in Espoo, Finland, with core development, testing, and initial commercialization concentrated in the domestic market. The company has designated Finland, Sweden, Poland, and the Czech Republic as priority expansion markets due to extensive district heating infrastructure. International expansion depends on local nuclear regulatory frameworks and the pace of district heating decarbonization across Europe.
Risks
As a pre-revenue venture, Steady Energy faces severe liquidity and capital-raising risks, with annual cash burn projected at EUR 35-40 million during 2027-2028. Technological, regulatory, and construction execution risks are high given First-of-a-Kind (FOAK) reactor costs estimated between EUR 200-360 million. Furthermore, commercialization depends on public acceptance, complex nuclear licensing approvals, and competing low-carbon heat technologies.
- Development Phase Liquidity & Financing RiskImpact: CriticalLikelihood: High
Pre-revenue operations consume EUR 35-40 million annually, requiring continuous equity and grant inflows
Exposure: Entire operating runway and ability to meet ongoing financial obligations
- Nuclear Licensing and Permitting DelaysImpact: HighLikelihood: Medium
Commercial deployment requires government DiP and regulatory construction licenses from safety authorities
Exposure - FOAK Capital Expenditure and Execution OverrunsImpact: HighLikelihood: Medium
First commercial plant estimated to require EUR 200-360 million in capex with risk of engineering delays
Exposure
Accounting
Judgemental itemsDistinguishing pure nuclear research from development assets dictates operating loss magnitude and asset base
Impact: Directly influences reported operating profit/loss and intangible asset valuation
Substantial accumulated pre-revenue tax losses may not be recognised due to uncertainty of future taxable income
Impact: Off-balance sheet unrecognized tax assets; potential restriction or forfeiture upon ownership changes
Dependent on future financing rounds to meet projected annual cash outflows of EUR 35-40 million
Impact: Requires detailed note disclosures and liquidity risk assessments in interim and annual reports
Similar listed companies
Publicly listed companies with a comparable business focus.
SRV Yhtiöt Oyj
SRV1V · Engineering & Construction
SRV Yhtiöt Oyj is a Finnish construction company headquartered in Espoo, Finland.
Dovre Group
DOV1V · Consulting Services
Dovre Group is a Finnish publicly listed company on Nasdaq Helsinki, specializing in industrial-scale renewable energy development and construction.
Lehto Group Oyj
LEHTO · Construction
Lehto Group Oyj is a Finnish company transitioning from traditional construction to energy construction, focusing on energy storage solutions and energy efficiency in real estate.
NuScale Power Corporation
SMR · Fabricated Plate Work (Boiler Shops)
NuScale Power Corp develops small modular reactor technology centered on its proprietary NuScale Power Module, a light-water nuclear reactor design for…
Fortum Oyj
FORTUM · Utilities - Renewable
Fortum is a Finnish energy company focused on providing clean and reliable energy solutions.
ONE Nuclear Energy Inc.
ONEN · Electric Services
Last updated: 24/10/2026