OUR CUSTOMER
Landmark Power Holdings is developing a new generation of flexible, high-efficiency power plants to support the UK’s transition to a net-zero energy system. As part of its FLEXPOWER PLUS® concept, Landmark integrates technologies that increase efficiency and reduce emissions. The 10 MW Worksop project is the first deployment of this concept and brings together partners including MTU Rolls-Royce Solutions, Mitsubishi Turboden, ASCO Carbon Dioxide Ltd., and Climeon. For Climeon, it showcases the integration of low-temperature heat recovery in a high-efficiency power plant.
THE OPPORTUNITY
The UK energy system is undergoing rapid change as increasing volumes of intermittent renewable generation create a growing need for flexible, reliable power that can support the grid when wind and solar output is low. Landmark Power Holdings’ FLEXPOWER PLUS® concept addresses this need by combining high-efficiency gas generation with integrated technologies that improve overall performance and reduce carbon intensity.
At the Worksop site, MTU Series 4000 L64FNER genset engines provide flexible dispatchable power for the local grid. These engines also release a substantial amount of low-temperature heat through the jacket-water cooling circuit—a resource that is traditionally rejected through coolers without energy recovery. By capturing and utilising this low-grade heat, Climeon’s HeatPower system directly supports FLEXPOWER PLUS® by increasing total plant efficiency and enabling additional electricity production without increasing fuel consumption.
OUR SOLUTION
At the Worksop site, Climeon’s four HeatPower 150 units are connected directly to the genset jacket-water circuit, using the engines’ ~90 °C cooling water as a heat source. The ORC process converts part of this low-temperature heat into electricity and returns the cooled water to the circuit, with the ORC modules cooled by dry cooling towers installed alongside the containerised units. Under site-specific hot and cold water conditions, each unit produces around 70 kW, delivering approximately 2,300 MWh of recovered electricity per year. This increases overall plant efficiency by converting waste heat into additional generation, creating an estimated €210,000 per year in additional electricity revenue. Compared with sourcing the same amount of electricity from the UK grid, this output avoids up to 460* tonnes of CO₂ annually.
*Based on the UK Government DESNZ Greenhouse Gas Conversion Factors and a five-year average grid carbon intensity of 199 gCO2/kWh.
CASE OVERVIEW
CUSTOMER: Landmark Power Holdings
LOCATION: Rhodesia, Worksop, North Nottinghamshire, UK
APPLICATION: Genset Engines
STATUS: In operation since 2025
MODEL: Climeon HeatPower 150
ANNUAL PRODUCTION: ≈2,300 MWh
ANNUAL CO₂ SAVINGS: ≈460 tCO2*
HEAT SOURCE: MTU Series 4000 Gas Engines – Jacket-Water (~90 °C)
COOLING AGENT: Dry Cooling Towers
RELATED CONTENT
Climeon HeatPower 150 units in operation at Landmark Power Holdings’ Worksop FLEXPOWER PLUS® site.
The Rhodesia power plant, developed under Landmark Power’s FLEXPOWER PLUS® concept, integrates Climeon’s HeatPower 150 units to convert low-temperature waste heat into electricity, enhancing efficiency and reducing emissions. Image credit: Landmark Power Holdings
Climeon HeatPower 150 units undergoing preparation at Yellow Power prior to installation at Landmark Power Holdings’ Worksop power plant.
Aerial view of Landmark Power Holdings’ Worksop site during construction of the FLEXPOWER PLUS® power plant. Image credit: Landmark Power Holdings
Climeon representatives at the groundbreaking ceremony for Landmark Power Holdings’ Worksop FLEXPOWER PLUS® site.
HeatPower Integration at the worksop plant
A simplified diagram showing how the HeatPower 150 units connect to the jacket cooling water loop of the genset engines to produce additional power and support Landmark's FLEXPOWER PLUS® concept at the Worksop power plant.
