Ennatuurlijk Aardwarmte
Ennatuurlijk Aardwarmte is one of the largest geothermal heat producers in the Netherlands, operating utility-scale doublet well systems to deliver renewable heating via district networks to housing associations, property developers, and municipalities.
- Company typePrivate
- Founded-
- HeadquartersEindhoven, Netherlands
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Ennatuurlijk Aardwarmte does
Ennatuurlijk Aardwarmte is a Dutch geothermal energy producer and a subsidiary of the Ennatuurlijk group, operating as one of the largest producers of geothermal heat in the Netherlands. The company designs, develops, and operates geothermal energy installations drawing on heat from deeper earth layers, with each doublet well system capable of supplying approximately 10,000 homes with sustainable heating. Its operations are anchored in Middenmeer (production site) and Eindhoven (postal headquarters), serving housing associations, property developers, municipalities, and other institutional customers across multiple Dutch districts.
The company's core technology is the geothermal doublet, consisting of paired injection and production wells that circulate water through deep subsurface reservoirs. Operational capabilities include continuous micro-seismic monitoring for safety and regulatory compliance, a corrosion-inhibitor-free production process, and well-conversion technology that retrofits injection wells into monitoring wells (deployed at the Middenmeer site). The company also publishes an educational animation series explaining the geothermal production process, indicating investment in stakeholder communication alongside technical operations.
Ennatuurlijk Aardwarmte generates revenue by selling renewable heat to residential and commercial buildings through owned district heating networks under utility-style, subscription-based contracts. Go-to-market is enterprise field sales targeting large anchor accounts — housing corporations, area developers, and municipal authorities — replacing natural gas connections with geothermal district heating. Pricing is delivered as tariff-based supply within the Dutch regulated energy framework, though specific rates and revenue figures are not publicly disclosed. Named projects include De Gildenwerf in Oosterhout and Stationsplein in Enschede, with a fifth doublet expansion project in development.
Ennatuurlijk Aardwarmte firmographics
Firmographics- Name
- Ennatuurlijk Aardwarmte
- Legal name
- Ennatuurlijk Aardwarmte
- Website
- https://ennatuurlijkaardwarmte.nl
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Ennatuurlijk Aardwarmte is one of the largest geothermal heat producers in the Netherlands, operating utility-scale doublet well systems to deliver renewable heating via district networks to housing associations, property developers, and municipalities.
- Ownership category
- akta.pro rank
Ennatuurlijk Aardwarmte industry classification
Industry- Product category
- Geothermal Energy / District Heating
- NAICS
- Steam and Air-Conditioning Supply (22133)
- SIC
- Cogeneration Services & Small Power Producers (4991)
- akta.pro primary industry
- Geothermal Direct Use Heat Projects (District Heating, Greenhouses, Aquaculture, Industrial Heat) (EUAMAEAG)
- akta.pro secondary industries
- Geothermal Drilling & Well Construction (Production/Injection, Directional, Well Services) (EUAMAEAB), Geothermal Power Plant EPC & Construction (Surface Facilities, Balance of Plant) (EUAMAEAE)
Keywords
Where Ennatuurlijk Aardwarmte is headquartered
LocationHeadquarters
- HQ city
- Eindhoven
- HQ country
- Netherlands
- HQ region
- Europe
Offices2 records
Markets served
Ennatuurlijk Aardwarmte business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Infrastructure, Operations, Personnel, Technology or R&D, Supply Chain
Revenue model
- Geothermal Heat Distribution: Production and distribution of renewable geothermal heat to residential and commercial buildings through district heating networks. Revenue is generated through utility-style contracts supplying sustainable heating, cooling, and hot water to connected properties.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels6 records
Ennatuurlijk Aardwarmte product offering
Product offeringCore offering
Ennatuurlijk Aardwarmte designs, develops, and produces geothermal heat from deeper earth layers using doublet well systems (injection and production wells) and distributes this renewable heat to residential and commercial buildings via district heating infrastructure in the Netherlands. The company positions itself as one of the largest geothermal heat producers in the country, with a single source capable of decarbonizing approximately 10,000 homes from natural gas dependency.
Product overview
Ennatuurlijk Aardwarmte is a specialized geothermal energy company that operates as part of Ennatuurlijk and is one of the largest geothermal energy producers in the Netherlands. The company's core offering is geothermal energy (aardwarmte) — renewable heat extracted from deep earth layers. This core product enables approximately 10,000 homes to disconnect from natural gas. The portfolio includes the main geothermal energy production service as well as an educational animation series called 'Ennatuurlijk Aardwarmte legt 't uit' that explains how the geothermal process works. Projects such as the conversion of injection wells to monitoring wells in Middenmeer, the Stationsplein project in Enschede, and De Gildenwerf in Oosterhout represent specific implementations and customer engagements rather than distinct product lines.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- One geothermal source can heat 10,000 homes
Companies that use Ennatuurlijk Aardwarmte
Customer profileNamed customers2 records
Segments1 record
Ideal customer profiles2 records
Ennatuurlijk Aardwarmte technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Ennatuurlijk Aardwarmte partnerships and signals
Strategic signalScale indicators2 records
Recent moves5 records
Expansion highlights5 records
Ennatuurlijk Aardwarmte competitors and assessment
Company assessmentDirect peers
- Trias Westland: Westland-based geothermal cooperative producing geothermal heat for greenhouse horticulture and adjacent district heating — same doublet well technology, Dutch permitting framework, and heat-only (not power) revenue model.
- Geothermie Brabant: Dutch geothermal producer developing deep doublets in Brabant province for industrial and residential heat supply; comparable Dutch operating environment, geology, and downstream heat offtake structure.
- Aardwarmte Den Haag: Dutch geothermal doublet operator supplying heat via district networks in The Hague region; directly comparable business model, customer base, and regulatory regime to Ennatuurlijk Aardwarmte.
Broad incumbents
- Stadtwerke München: Large municipal utility operating geothermal district heating in the Munich region (Riem, Pullach, Sauerlach); broader portfolio but overlapping geothermal-direct-use district heating model at larger scale.
- Enel Green Power: Global renewable energy subsidiary of Enel with major Italian geothermal generation portfolio; broader in scope (electricity-focused) but the leading European player in deep geothermal resource development.
- MVV Energie: German municipal energy company with significant geothermal and biomass-based district heating operations; comparable regulated utility economics and direct-use heat delivery.
- Vattenfall (Netherlands): Swedish state-owned utility with Dutch operations including heat networks and decarbonization initiatives; much larger incumbent competing for the same municipal gas-replacement contracts.
- Reykjavik Energy (Orkuveita Reykjavíkur): Major Icelandic municipal utility supplying geothermal district heating and electricity at scale; demonstrates the mature end-state of a geothermal-utility business model Ennatuurlijk Aardwarmte is building toward.
- Eneco: Major Dutch sustainable energy incumbent with district heating activities and renewable heating assets; broader portfolio but operates the same Dutch energy transition and gas-decarbonization theme.
Emerging players
- Vulcan Energy Resources: Australian-listed developer pursuing combined geothermal heat and lithium extraction from the Upper Rhine Graben; emerging business model targeting industrial heat customers with a comparable deep-geothermal-drilling technology stack.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Ennatuurlijk Aardwarmte social profiles
Digital presenceEnnatuurlijk Aardwarmte financial estimates
Financial estimateRevenue estimate
Valuation estimate
Ennatuurlijk Aardwarmte leadership team
Management profileNumber of profiles
Ennatuurlijk Aardwarmte funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Ennatuurlijk Aardwarmte M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Ennatuurlijk Aardwarmte
What does Ennatuurlijk Aardwarmte do?
Ennatuurlijk Aardwarmte designs, develops, and produces geothermal heat from deeper earth layers using doublet well systems (injection and production wells) and distributes this renewable heat to residential and commercial buildings via district heating infrastructure in the Netherlands. The company positions itself as one of the largest geothermal heat producers in the country, with a single source capable of decarbonizing approximately 10,000 homes from natural gas dependency.
Is Ennatuurlijk Aardwarmte a public or private company?
Ennatuurlijk Aardwarmte is a private company. It is classified as corporate owned and is currently operating.
When was Ennatuurlijk Aardwarmte founded?
Ennatuurlijk Aardwarmte was founded in -1. It employs 11 to 50 people.
Where is Ennatuurlijk Aardwarmte based?
Ennatuurlijk Aardwarmte is headquartered in Eindhoven, Netherlands, in the Europe region.
How does Ennatuurlijk Aardwarmte make money?
One revenue line is on record: geothermal Heat Distribution.
Who are Ennatuurlijk Aardwarmte's main competitors?
Direct peers on record are Trias Westland, Geothermie Brabant and Aardwarmte Den Haag. Broad incumbents are Stadtwerke München, Enel Green Power, MVV Energie, Vattenfall (Netherlands), Reykjavik Energy (Orkuveita Reykjavíkur) and Eneco. Vulcan Energy Resources is listed as an emerging player.
Does Ennatuurlijk Aardwarmte have an API?
No public API is recorded for Ennatuurlijk Aardwarmte.
What industry is Ennatuurlijk Aardwarmte in?
Ennatuurlijk Aardwarmte's product category is Geothermal Energy / District Heating. Its primary akta.pro industry code is EUAMAEAG, Geothermal Direct Use Heat Projects (District Heating, Greenhouses, Aquaculture, Industrial Heat), with a secondary code of EUAMAEAB, Geothermal Drilling & Well Construction (Production/Injection, Directional, Well Services). Its NAICS code is 22133 and its SIC code is 4991.