Mijnwater starts drilling for new heat source on Terhoevenderweg in Heerlen New source expands Parkstad’s district heating and cooling network Mijnwater has started drilling work for a new heat source at Terhoevenderweg in Heerlen, marking another important step in the expansion of its sustainable heating and cooling network in Parkstad. After a period of preparation, work began this week and is expected to continue for three to four weeks. Because the operation must be completed safely and efficiently, the drilling is taking place 24 hours a day, seven days a week. The project is part of Mijnwater’s broader effort to strengthen a low-carbon energy system for the region. The new source will tap warm groundwater in a former mine passage deep underground and feed that energy into the company’s network. For Heerlen and the surrounding area, this means further development of a district energy system that draws value from the region’s mining past while supporting a more sustainable energy ...
Gradient Geothermal Supporting First-in-the-Nation Colorado Initiative to Transform Orphan Oil & Gas Wells into Geothermal and Carbon Storage Assets
In a groundbreaking move that bridges the fossil fuel era with a clean energy future, Gradient Geothermal, a Denver-based innovator in geothermal technology, has announced its support for a pioneering technical study led by Colorado's Energy and Carbon Management Commission (ECMC) and the Colorado Energy Office (CEO). Announced on March 3, 2026, this initiative marks the first statewide effort of its kind to repurpose orphaned oil and gas wells long considered environmental liabilities—into valuable assets for geothermal energy production and carbon capture and sequestration (CCS).
Orphaned wells are abandoned oil and gas wells with no identifiable owner or operator responsible for plugging them. In Colorado, the ECMC oversees an Orphaned Well Program that identifies, prioritizes, and addresses these sites to prevent environmental harm, safety risks, and impacts on land use. These wells, often leaking methane—a potent greenhouse gas—or posing contamination threats, represent a significant liability for the state. However, their deep boreholes provide ready access to subsurface heat, making them ideal candidates for geothermal repurposing.
The project will evaluate hundreds (potentially thousands) of these wells across Colorado for their suitability in geothermal applications. Gradient Geothermal, with its expertise in modular, distributed geothermal systems, will perform detailed engineering assessments. These evaluations will determine if individual wells can support electricity generation (via technologies like Organic Rankine Cycle systems that convert heat to power) or direct-use applications, such as heating buildings, greenhouses, or industrial processes.
A key focus is exploring synergies with CCS. Many orphaned wells penetrate geological formations suitable for storing captured carbon dioxide, turning them into dual-purpose infrastructure: extracting geothermal heat while injecting and sequestering CO2 to reduce emissions. This dual benefit aligns perfectly with Colorado's ambitious net-zero greenhouse gas goals by 2050, including 80% renewable electricity by 2030 and 100% by 2040.
Benjamin Burke, CEO of Gradient Geothermal, emphasized the transformative potential: "This study represents an important step in turning orphaned wells from environmental liabilities into community assets. Repurposing existing infrastructure for geothermal energy can reduce methane emissions, create local jobs, and deliver reliable, low-emission power to Colorado communities."
Julie Murphy, Director of the ECMC, echoed this enthusiasm: "We are excited to collaborate with Gradient Geothermal on this evaluation of repurposing potential across existing orphaned wells in Colorado. This work will help inform related regulatory process development and help to better understand how existing wells may be safely and effectively repurposed for other beneficial uses."
Gradient Geothermal's involvement leverages its proven track record. The company specializes in converting heat from existing hydrocarbon wells into emissions-free electricity, often using produced hot water or fluids without new drilling. Previous projects, such as feasibility studies in rural Colorado towns like Pierce—where abandoned wells (once producing mostly hot water) are being assessed to heat local communities—demonstrate how this approach slashes development costs by avoiding expensive drilling. By reusing infrastructure, geothermal becomes more economical and faster to deploy, offering baseload renewable power that's available 24/7, unlike solar or wind.
This initiative builds on Colorado's supportive policy landscape. Legislation like HB23-285 grants the ECMC authority over deep geothermal regulations, while programs from the Colorado Energy Office provide grants and incentives for geothermal projects. The state has already funded studies and pilots repurposing inactive wells, showing direct-use temperatures of 120–150°F suitable for community heating, with potential for power generation in deeper, hotter formations.
The broader implications are profound. Repurposing orphaned wells could mitigate methane leaks (a major emission source), create jobs in engineering, construction, and maintenance, and boost rural economies. It also advances energy resilience—geothermal provides stable power immune to weather disruptions—and supports industrial decarbonization by supplying clean heat or electricity.
The project will deliver a publicly available dataset of orphaned wells, detailing their characteristics, geothermal potential, and CCS viability. A final report will include technical findings, recommendations for pilot projects, and policy guidance to streamline permitting. This ensures safe, environmentally protective development, building public trust and regulatory clarity.
Gradient Geothermal, headquartered in Denver, positions itself at the forefront of this energy transition. The company partners with oil and gas operators and industrial facilities to transform existing wells and heat streams into scalable renewables, enhancing asset value while cutting emissions. Their modular systems enable distributed energy solutions, ideal for remote or grid-challenged areas.
As Colorado leads the nation in this innovative approach, the initiative exemplifies pragmatic, science-based strategies for energy transition. By turning legacy fossil fuel infrastructure into clean energy assets, the state demonstrates how to reduce emissions, strengthen resilience, and foster economic innovation. This collaboration between government, regulators, and private innovators like Gradient Geothermal could serve as a model for other states facing similar orphaned well challenges.
In an era demanding urgent climate action, repurposing what was once waste into wealth—clean, reliable geothermal energy and carbon storage—offers a win-win path forward. Colorado's bold step today paves the way for a more sustainable energy tomorrow.
Source: prnewswire
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