Eavor Demobilizes Rigs from Geretsried: What It Really Means for Closed-Loop Geothermal For three years, two drilling rigs on a farm estate near Geretsried, a Bavarian town about 40 km south of Munich, stood as the symbol of the world's most ambitious closed-loop geothermal experiment. Now in October 2026, Eavor Technologies, the Calgary-based developer of the Eavor-Loop, has told the town and its heating utility that both rigs would leave the site . The company said keeping idle rigs and specialist services on site was costly, and that releasing them would help put the project in the strongest position to continue with Loop 2 once its commercial structure is reworked . On the surface, this is a logistics decision. Underneath, it is one of the clearest signals yet about where first-of-a-kind geothermal technology stands, and how hard it is to turn a technical proof into a bankable business. This article explains exactly what happened, what the move means and what it does not mean...
El Salvador Advances Tender for Integrated Drilling Services for Eight Geothermal Wells in Chinameca
El Salvador is preparing a major geothermal drilling campaign at the Chinameca geothermal field, where state-owned developer LaGeo plans to procure integrated drilling services for up to eight deep geothermal wells. The tender forms part of a wider programme designed to confirm the field’s underground resource, secure steam for a new power plant and expand the country’s renewable electricity generation capacity.
The planned contract is expected to cover drilling services, materials, accessories, casing and pipes, together with complementary services required to complete the wells. LaGeo has already initiated early market engagement to obtain feedback from potential contractors before launching the formal procurement process.
The Chinameca campaign is supported through the World Bank-financed El Salvador Geothermal Energy for Sustainable and Inclusive Development Project. The broader programme includes a new geothermal power plant with an estimated capacity of 20–25 megawatts, a steam-gathering system and grid connection infrastructure.
Scope of the Chinameca Tender
The planned procurement is described as a contract for the drilling and supply of materials, accessories, pipes and complementary services for up to eight geothermal wells at the Chinameca field. This wording indicates that LaGeo is seeking a coordinated drilling package rather than isolated equipment or individual specialist services.
An integrated approach can reduce interface risks between the drilling contractor, suppliers, well-design specialists, logging companies and the field owner. In geothermal development, delays or technical problems during one stage of drilling can affect casing installation, cementing, well testing, reservoir evaluation and the eventual construction of the power plant.
The expected scope may include:
- Mobilisation and demobilisation of drilling rigs and ancillary equipment.
- Site preparation and drilling-pad support.
- Drilling of deep production, injection or appraisal wells.
- Provision of casing, liners, wellheads, cement and drilling consumables.
- Directional drilling and wellbore surveying where required.
- Mud, aerated-fluid or other drilling-fluid services.
- Electrical, geological and geophysical well logging.
- Cementing, casing installation and pressure testing.
- Lost-circulation-material management.
- Well completion, clean-out and discharge testing.
- Support for reservoir assessment and resource confirmation.
- Environmental, health and safety management.
- Technical reporting and transfer of well data to LaGeo.
The final technical specifications, well designs, qualification criteria and contract conditions will be established through the procurement process. The early market consultation is intended to help LaGeo assess contractor interest, refine requirements and identify potential risks before issuing the formal tender.
Why Eight Wells Matter
The eight-well campaign is intended to provide additional information about the Chinameca reservoir and secure geothermal fluids for a new generation facility. World Bank project documents state that the drilling programme will further confirm the capacity of the field and support steam production for a power plant that can use the wider reservoir potential.
The number of wells does not necessarily represent eight identical production wells. A geothermal drilling programme normally combines different well functions depending on the reservoir model and results obtained during the campaign. Some wells may be designed to produce steam and hot water, while others may be used to reinject geothermal fluids or gather additional geological and pressure data.
The final number of wells may also change during implementation. World Bank documentation notes that the drilling budget is based on LaGeo’s estimates for eight wells, but the actual number and cost will depend on factors including well depth and subsurface geological conditions.
That flexibility is important because geothermal reservoirs cannot be evaluated solely from surface observations. Exploration data may indicate a promising resource, but commercial development depends on permeability, temperature, fluid chemistry, pressure, well productivity and the ability to sustain output over time.
World Bank Financing
The drilling tender is part of a wider World Bank-supported investment in El Salvador’s geothermal sector. The project has total financing of approximately US$167.7 million, including US$150 million from the International Bank for Reconstruction and Development. Of that amount, approximately US$80 million is allocated to the drilling campaign.
A further US$59.6 million in World Bank financing, together with approximately US$10.7 million from LaGeo, is intended to support geothermal generation capacity at Chinameca. The planned works include a new 20–25 MW power plant, the steam-gathering system and connection to an electrical substation.
The financing structure gives the drilling programme strategic importance beyond the immediate value of the well-services contract. The wells are intended to reduce uncertainty before larger generation infrastructure is completed. Their results will influence plant design, steam-field layout, production forecasts, reinjection requirements and the financial case for future expansion.
For drilling companies, the project represents an opportunity to participate in a publicly backed geothermal development with a defined resource-confirmation objective and a potential follow-on market for well intervention, testing, maintenance and additional field development.
Chinameca’s Role in El Salvador’s Energy Systems
El Salvador already operates geothermal facilities at the Ahuachapán and Berlín fields, while LaGeo also manages geothermal assets and development activities at San Vicente and Chinameca. The country has used geothermal energy as a firm renewable resource capable of operating independently of solar and wind conditions.
Chinameca is expected to become one of the main locations for the next phase of El Salvador’s geothermal expansion. A US$150 million World Bank-supported programme includes plans for LaGeo to develop eight new wells and construct a 25 MW geothermal power plant at the field.
The project is important because geothermal generation can provide stable electricity while reducing exposure to fuel-price volatility. Unlike variable renewable technologies, a geothermal plant can operate day and night, subject to resource availability, maintenance and transmission conditions.
Additional geothermal generation could also support the country’s wider energy diversification objectives. World Bank project material links the development of the Chinameca and San Vicente fields to improved energy security, renewable generation growth and reduced electricity costs for consumers.
Technical Challenges for Contractors
Drilling geothermal wells is technically demanding because wells must withstand high temperatures, corrosive fluids, fractured formations and uncertain pressure conditions. The risks are often greater than in conventional oil and gas drilling because geothermal formations may be highly permeable and prone to severe or total loss of circulation.
Contractors bidding for the Chinameca work may therefore need to demonstrate experience with:
- High-temperature drilling operations.
- Deep wells in volcanic or fractured formations.
- Lost-circulation control.
- Directional drilling in difficult geological conditions.
- High-temperature logging and measurement tools.
- Casing and cementing under geothermal conditions.
- Well-control procedures for steam and hot-fluid encounters.
- Well testing and discharge management.
- Environmental and social risk mitigation.
Well design will need to balance reservoir access with mechanical integrity. Larger production diameters may improve flow capacity, but they can increase drilling time, casing costs and cementing complexity. Directional wells may allow several well trajectories to be drilled from fewer pads, although directional control can become more challenging in fractured volcanic formations.
The drilling campaign will also require close coordination between the contractor and LaGeo’s technical team. World Bank documentation states that drilling operations will be performed by a drilling contractor under the supervision of LaGeo’s technical staff.
Market Engagement Before Formal Bidding
LaGeo’s early market participation process is designed to obtain information from the international drilling and geothermal-services market before the tender is launched. The consultation covers issues such as qualification requirements, evaluation criteria, national-labour obligations, contract scope and the management of geological, environmental and social risks.
This stage can help identify whether the proposed contract is commercially realistic. International geothermal drilling contractors may need to assess equipment availability, mobilisation distances, local supply chains, import requirements, insurance conditions, currency exposure and the availability of skilled workers in El Salvador.
Early engagement can also help LaGeo determine how risks should be allocated between the employer and contractor. For example, the contract may need to address geological uncertainty, delays caused by lost circulation, well failure, unexpected high-temperature conditions, equipment damage and changes to the well programme.
A balanced risk allocation is particularly important for geothermal projects. If contractors are required to assume all subsurface risks, bid prices may increase substantially or qualified companies may avoid the tender. If too much risk remains with the project owner, cost overruns may affect the drilling budget and the completion of the power plant.
Potential Impact on Local Industry
The project could create opportunities for Salvadoran companies in logistics, civil works, transport, accommodation, equipment maintenance, security, catering and environmental monitoring. The early consultation is expected to address requirements for hiring national labour, suggesting that local participation will be incorporated into the procurement framework.
Local workforce development will be valuable because geothermal drilling requires specialised skills that can support future projects. Training opportunities may include rig operations, welding, electrical maintenance, safety management, geological sampling, well testing and environmental compliance.
The World Bank programme also includes social and environmental initiatives intended to promote direct use of geothermal heat for new economic opportunities in communities around the geothermal plant. It further supports studies for a Geothermal Center of Excellence aimed at local development and green job creation.
Direct-use applications could include agricultural drying, food processing, aquaculture, greenhouse heating and other industrial or commercial activities. These uses can expand the economic value of the geothermal resource beyond electricity generation.
Environmental and Social Considerations
The drilling campaign will need to manage environmental risks associated with land preparation, road access, water use, drilling fluids, cuttings, noise, traffic and the handling of geothermal fluids. Well testing can also produce hot water, steam, gases and mineral deposits that require controlled disposal or treatment.
The tender is expected to include environmental and social risk-management requirements. These may cover worker safety, community health, emergency response, land access, stakeholder engagement, biodiversity protection and the restoration of temporary work areas.
Water management will be a particularly important issue. Depending on the drilling method and local conditions, the contractor may need to manage large volumes of water, drilling fluid and return flows. Technical solutions such as aerated drilling fluids may be considered where they can reduce water consumption or improve performance in highly fractured formations.
The project must also maintain clear communication with communities near the drilling sites. Traffic, noise, land use and employment expectations can affect public support even when the long-term project benefits are significant.
From Drilling to Power Generation
The successful completion of the wells will not automatically guarantee the final power-plant output. After drilling, each well must be evaluated through logging, pressure measurements, flow testing and reservoir analysis. These results will determine whether the well is suitable for production, injection or further investigation.
The data will then inform the design of the steam-gathering system and the power plant. A 20–25 MW facility requires dependable steam and brine flows over its operating life, not simply a short-term discharge during well testing. Reservoir modelling must therefore account for pressure decline, reinjection strategy, interference between wells and sustainable production rates.
The planned plant is expected to connect to the national transmission grid. The World Bank describes the generation component as including the power station, steam-gathering infrastructure and connection to the electrical substation.
This sequencing makes the drilling tender a critical early milestone. If the wells confirm sufficient resource capacity, LaGeo can proceed with greater confidence on generation infrastructure. If the results show lower productivity or more complex reservoir behaviour, the plant design and development schedule may need to be adjusted.
Outlook for Contractors and Investors
The Chinameca tender is likely to attract interest from drilling contractors, geothermal engineering companies, casing suppliers, logging specialists and firms experienced in high-temperature well services. The scale of up to eight wells is large enough to support a structured campaign while remaining focused on one geothermal field.
For contractors, the main commercial questions will include the final well depths, drilling sequence, rig specifications, payment structure, equipment requirements, responsibility for consumables, performance guarantees and treatment of geological risks. The formal tender documents will be essential for determining the project’s bankability and bid strategy.
For El Salvador, the campaign offers a route to convert an identified geothermal prospect into additional firm renewable generation. The country’s existing geothermal experience and LaGeo’s role as the implementing agency provide an institutional base for the work, while World Bank financing reduces some of the capital constraints associated with deep geothermal drilling.
The project may also strengthen El Salvador’s position as a regional geothermal market. Central America has substantial volcanic heat resources, but new development has often been constrained by exploration risk, financing challenges and drilling costs. A successful Chinameca campaign could demonstrate how public finance, state-owned development capability and international drilling expertise can be combined to advance geothermal projects.
Next Steps for the Tender
The immediate next step is the completion of market engagement and the incorporation of industry feedback into the procurement documents. LaGeo will then need to publish the final tender, define the bidding timetable, evaluate technical and financial proposals and select a contractor or contracting consortium.
Potential bidders should prepare for a procurement process that combines drilling performance with supply-chain reliability and environmental compliance. Companies may also need to establish local partnerships and demonstrate their ability to mobilise equipment and specialised personnel to El Salvador.
The campaign’s final cost and well count will depend on the geological conditions encountered during drilling. World Bank project documents expressly recognise that depth and subsurface conditions may affect both the cost of each well and the final number of wells drilled.
If the programme confirms adequate steam production, Chinameca could support a new 20–25 MW geothermal generation facility and provide a foundation for future expansion. The tender is therefore more than a drilling-services procurement: it is a central step in El Salvador’s strategy to expand dependable renewable electricity, strengthen energy security and unlock wider economic uses of geothermal heat.
More details : Global Energy Monitor
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