Sweden Geothermal Energy - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026-2031)

The sweden geothermal energy market size was valued at 50.03 megawatt in 2025 and estimated to grow from 57.35 megawatt in 2026 to reach 113.47 megawatt by 2031, at a CAGR of 14.62% during the forecast period (2026-2031). This report is Segmented by Plant Type (Dry Steam Plants, Flash Steam Plants, Binary Cycle Plants, Combined Cycle/Hybrid Plants, and Enhanced Geothermal Systems) and Application (Electricity Generation, District Heating and Cooling, and Industrial Process Heat). The Market Sizes and Forecasts are Provided in Terms of Installed Capacity (GW).

Sweden Geothermal Energy Market Trends and Insights

Expanding Green-Heat Subsidies Under Sweden's Climate Policy Framework

Enhanced investment grants of up to SEK 30,000 per installation, combined with the May 2025 increase in ROT tax deductions to 50% of labour costs, cut total out-of-pocket expenses for residential systems by nearly 40%. Municipal schemes in Lund and Växjö complement national grants, rewarding district-heating companies that integrate shallow geothermal loops into new low-temperature grids. Tying eligibility to verifiable efficiency gains sharpens the focus on ground-source technologies, which deliver the required seasonal COP performance. The looming 2025 application deadline spurs near-term demand while embedding geothermal heat in Sweden’s longer-term decarbonisation roadmap.

Stringent Building-Energy Codes Boosting Ground-Source Heat-Pump Retrofits

Revised regulations mandate high efficiency in major renovations, effectively sidelining oil and gas boilers for most urban buildings. Single-family homes, which consume 35% of national heating energy, provide attractive drilling sites, while large commercial assets adopt integrated heating-cooling loops that maximise annual capacity factors. Because compliance is required within planned refurbishment cycles, installers benefit from a transparent three-to-five-year retrofit pipeline, stabilising order books and supporting workforce expansion. Performance-based rules allow architects to weigh competing low-carbon options, yet ground-source pumps often prevail on life-cycle cost.

High Exploratory-Drilling CAPEX Amid Hard-Bedrock Conditions

The 3,702 m Lund deep well cost more than EUR 5.5 million yet yielded only 85 °C bottom-hole temperature, underscoring the cost risk in crystalline rock. Typical hard-rock costs of EUR 1,500 per metre dwarf the EUR 600 European average, squeezing smaller developers. Multi-well EGS designs compound budgets, prompting a pivot toward closed-loop or mine-water solutions that mute resource risk and curtail up-front capital intensity.

Other drivers and restraints analyzed in the detailed report include:

• Corporate 24/7 Renewable-Heat PPAs Led by Data-Centre Operators
• Rapid Cost Declines in Closed-Loop Geothermal Drilling Rigs
• Reservoir-Temperature Uncertainty Outside Southern Sweden

Segment Analysis

Enhanced Geothermal Systems (EGS) held 85.12% of installed capacity in 2025, making them Sweden’s clear front-runner. Their strength comes from the nation’s hard crystalline bedrock, which favors engineered reservoirs over traditional hydrothermal methods. Combined-cycle and hybrid plants are the rising stars, moving at a 24.35% CAGR to 2031 as operators pair geothermal wells with other renewables and thermal storage to smooth output. Binary-cycle units serve lower-temperature wells, while flash-steam projects remain rare because Sweden lacks the very hot resources they need. Closed-loop designs are starting to supplement EGS by removing fluid-circulation risks and opening new sites that once looked uneconomic.

EGS benefits from know-how built in Sweden’s mining and oil-and-gas industries. Work at the Äspö Hard Rock Laboratory, for example, refines hydraulic-fracturing techniques tailored to crystalline rock and adds real-time monitoring that keeps seismic risks in check. Developers also lean on digital controls to watch reservoir performance and adjust flows on the fly, cutting operating costs and environmental impacts. Growing interest in hybrid layouts, where a single plant feeds both the power grid and district-heating pipes, shows how Sweden aims to squeeze more value from every megawatt of heat.

Complete Report Scope:

• By Plant Type
  • Dry Steam Plants
  • Flash Steam Plants
  • Binary Cycle Plants
  • Combined Cycle/Hybrid Plants
  • Enhanced Geothermal Systems (EGS)
• By Application
  • Electricity Generation
  • District Heating and Cooling
  • Industrial Process Heat

List of Companies Covered in this Report:

• Climeon AB
• Baseload Capital AB
• WSP Global Inc.
• MalmbergGruppen AB
• Mincon Group Plc.
• E.ON SE
• St1 Nordic Oy
• Fortum Oyj
• Statkraft AS
• Ormat Technologies Inc.
• Rototec AB
• Rock Energy AS
• Thermia AB
• Turboden S.p.A
• Herrenknecht AG
• Tektonik Nordic AB
• Schlumberger Ltd.
• Baker Hughes Co.
• HARDAB AB
• GeoEnergy Sverige AB

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support