What Trias Westland does

Trias Westland B.V. is a privately held Dutch geothermal energy company founded in 2018, operating from Lange Broekweg 70 in Naaldwijk, Westland, Netherlands. It owns and operates two geothermal doublets drilled to approximately 2.3 km depth into the Onder Krijtlaag (Delftzandsteen formation), supplemented by a 4 km exploratory research borehole that mapped the deeper Trias layer. Heat is extracted at roughly 83°C, circulated at approximately 750 cubic meters of salt water per hour per doublet, and delivered via an insulated underground pipeline network (warmtenet) to customers. Combined production capacity exceeds 40 MWth, equivalent to the energy consumption of over 40,000 households per year.

The company sells sustainable geothermal heat under long-term subscription-style heat delivery agreements (warmteleveringsovereenkomst) to 54 greenhouse horticulture companies, Royal FloraHolland's Naaldwijk facility (where it reduces the auction's gas consumption and CO2 emissions by approximately 17%), and 345 residential homes in the Lierkwartier development in De Lier. A cooperative trading platform (handelsplatform) allows participating growers to buy and sell surplus heat among themselves. Trias Westland was first in the Dutch geothermal sector to apply full-length GRE (glasfiber epoxy) inner casings for corrosion resistance, and contributed to the development of the Industriestandaard Duurzaam Putontwerp, a sector-wide standard made mandatory from 2021.

Ownership is structured through a four-party consortium: HVC (the largest shareholder, a public waste and energy company serving 44 municipalities), Capturam (part of N.V. Juva), Royal FloraHolland, and Coöperatie Trias Westland (representing 49 participating growers). Bank financing is provided by Rabobank and BNG Bank, with additional subsidy support from Dutch government programs (DEI-regeling, DIT-fonds, Green Deal) and the European Union (EFRO-regeling). The warmtenet functions as the backbone (hoofdleiding) for Warmtesysteem Westland (WSW), the regional heat network.

Name

Trias Westland

Legal name

Trias Westland B.V.

Website

https://triaswestland.nl

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

1–10 employees

Short description

Trias Westland B.V. operates two geothermal doublets at 2.3 km depth in the Dutch Westland region, delivering sustainable heat via a district heating network to 54 greenhouse horticulture businesses, Royal FloraHolland, and 345 residential homes.

Ownership category

akta.pro rank

Product category

Geothermal Heating Services

NAICS

Steam and Air-Conditioning Supply (221330)

SIC

Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Geothermal Direct Use Heat Projects (District Heating, Greenhouses, Aquaculture, Industrial Heat) (EUAMAEAG)

Keywords

• Geothermal heat production
• District heating network
• Greenhouse heat supply
• Geothermal doublet system
• Heat trading platform

Headquarters

HQ city

Naaldwijk

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Others

Revenue model

1. Geothermal Heat Sales to Greenhouse Horticulture: Trias Westland generates revenue through long-term heat delivery contracts with participating greenhouse horticulture companies. Heat is extracted from the subsurface and delivered via an insulated underground pipeline network (warmtenet) to greenhouses. Participants can also trade heat among each other via a trading platform (handelsplatform), optimizing utilization of the geothermal source.
2. Geothermal Heat Sales to Residential Areas: Trias Westland supplies heat to residential developments such as the Lierkwartier (Lier) neighborhood, with 345 homes contracted to receive geothermal heat via a heat transfer station connected to the warmtenet.
3. Heat Sales to Royal FloraHolland: Royal FloraHolland, one of the initiators and shareholders, purchases heat from Trias Westland for use in its Naaldwijk facility (e.g., fustwasserij / crate washing). This reduces Royal FloraHolland's gas consumption and CO2 emissions by approximately 17%.
4. Surplus Heat Trading on Handelsplatform: Overcapacity heat is sold on the internal trading platform (handelsplatform) managed by Trias Westland. Participating growers can buy and sell heat among themselves to optimize utilization of available geothermal capacity.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Trias Westland extracts geothermal heat from two production doublets at approximately 2.3 km depth and distributes it via an insulated underground pipeline network (warmtenet) to greenhouse horticulture companies, Royal FloraHolland's Naaldwijk facility, and residential homes in the Lierkwartier development. The company also operates an internal heat trading platform that allows connected growers to trade heat among themselves, optimizing utilization of the geothermal source.

Product overview

Trias Westland operates a geothermal heating system consisting of two production doublets at approximately 2.3 km depth in the Onder Krijtlaag (Below Cretaceous layer), a research bore at 4 km depth, and an extensive heat distribution network (warmtenet). The system delivers sustainable geothermal heat to 54 greenhouse horticulture businesses and Royal FloraHolland, plus 345 residential homes in Lierkwartier. A heat trading platform (warmte-handelsplatform) enables participants to trade heat among themselves. Currently under investigation is CO2 capture technology to reuse emissions from geo-gas engines for horticulture applications.

Differentiator

Problem solved

Functional benefit

Products and services

• Aardwarmte / Geothermal Heat Supply Sustainable geothermal heat extracted from approximately 2.3 km depth in the Onder Krijtlaag (Delftzandsteen formation), delivered via the warmtenet to greenhouse horticulture companies, Royal FloraHolland's Naaldwijk facility, and residential homes. Long-term heat delivery contracts (warmteleveringsovereenkomst) are signed with participating enterprises.
• Warmtenet / District Heating Network Extensive underground insulated pipeline infrastructure transporting hot water from the geothermal doublets at Lange Broekweg 70 (Naaldwijk) to connected horticulture businesses and residential areas. Functions as the main pipeline (hoofdleiding) within the regional Warmtesysteem Westland (WSW). Heat is transferred at each participant location via heat exchangers.
• Warmte-handelsplatform / Heat Trading Platform Internal trading platform that enables participating greenhouse growers to buy and sell heat among themselves, optimizing utilization of available geothermal capacity and providing flexibility for overcapacity situations.

Quantifiable outcome

• Heat production capacity increased from 24 MWth to over 40 MWth with second doublet (July 2021), equal to energy consumption of 40,000+ households per year
• +4 more outcomes

Named customers3 records

Segments1 record

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered minor and core.

• Verkade Klimaat and VinkminorImplementation/ SI/ Consulting Partner · 1 March 2021Installation companies responsible for connecting Royal FloraHolland's internal CV network to the heat exchanger supplied by Trias Westland's warmtenet. This involved 1,200 meters of pipeline work connecting the external heat supply to the auction's internal heating system.
• Geothermie NederlandcoreStrategic or Co-development PartnerGeothermie Nederland is the Dutch geothermal industry association. Trias Westland shares lessons learned from its 2021 safety incident and operational improvements with all geothermy operators through this association. The Industriestandaard Duurzaam Putontwerp was developed with Geothermie Nederland's involvement.
• TU Delft and TNOminorStrategic or Co-development PartnerTrias Westland collaborates with knowledge institutions TU Delft and TNO on technical development, subsurface analysis, and well design. These institutions contribute expertise on geology, geophysics, and energy technology.
• A. Hak Leidingbouw en WelvreugdminorImplementation/ SI/ Consulting PartnerConstruction partner responsible for laying the warmtenet pipeline. Works in a collaborative bouwteam model with Trias Westland and Rotterdam Engineering to find optimal execution methods, including specialized HDD (horizontal directional drilling) for road crossings.

Scale indicators9 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• HVC: Parent company and largest shareholder/operator of Trias Westland. HVC (public waste company of 44 municipalities and 6 water boards) operates multiple Dutch geothermal projects and waste-to-energy assets, providing broader portfolio context though not a like-for-like peer.
• Ennatuurlijk: Dutch district heating operator serving multiple regions with sustainable and conventional heat sources including biomass and geothermal. Relevant comparison for heat network operations and customer engagement, but at broader geographic scale.
• Eneco: Major Dutch utility with district heating operations serving residential and commercial customers across the Netherlands. Comparable in heat network operations and customer types, though Eneco's portfolio is much larger and includes diverse heat sources.
• Vattenfall Warmte: Major Dutch district heating operator owned by Vattenfall, serving multiple urban heat networks. Overlaps with Trias Westland's warmtenet and residential heating activities but operates at substantially larger geographic scale and with a mixed heat-source portfolio.

Direct peers

• ECW Geothermie (Energie Coöperatie Westland): Cooperative geothermal project also operating in the Westland region to serve greenhouse horticulture growers. Closest comparable to Trias Westland in both target customer (Westland glastuinbouw) and ownership model (cooperative of growers).
• Hydreco Geomec: Dutch geothermal drilling and services company that operates own geothermal projects and provides the well construction expertise comparable to what Trias Westland requires for its doublets. Direct overlap in deep geothermal technical operations.
• Aardwarmte Den Haag: Dutch municipal geothermal direct-use project in the Greater The Hague area providing district heating. Comparable deep geothermal doublet technology and heat-network supply model, though serving primarily residential rather than greenhouse horticulture customers.
• GreenWell: Dutch geothermal direct-use project in Veendam serving industrial and horticultural customers. Operates with similar doublet technology and direct-use heat business model to Trias Westland, though in a different region and customer mix.

Others

• IF Technology: Dutch geothermal consulting firm advising on subsurface analysis, project development, and risk assessment. Complementary service provider for the Dutch geothermal sector; informs Trias Westland's drilling and project decisions.
• Geothermie Nederland: Dutch geothermal industry association that supports Trias Westland and other operators on standards, policy, and safety (including the Industriestandaard Duurzaam Putontwerp). Not a competitor but an enabling ecosystem participant.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/TriasWestland
• LinkedInlinkedin.com/company/trias-westland

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Trias Westland