| Recip round-up
Climeon ORC technology successfully commissioned in UK genset project
Climeon has completed the commissioning of four of its HeatPower 150 organic Rankine cycle (ORC) units integrated with gensets at Landmark Power Holdings’ Rhodesia power plant in the UK. This marks the first land-based genset power application of Climeon’s HeatPower technology, showcasing its potential to enhance energy efficiency and reduce
emissions in piston-engine-based power generation, the company says. The Rhodesia plant, owned by VH Global Energy Infrastructure plc, and employing Landmark Power Holding’s FLEXPOWER PLUS® concept, integrates high-efficiency reciprocating engines with ORC-based waste heat recovery and carbon capture technology to provide flexible, low-carbon power.
Climeon’s HeatPower ORC units capture low-temperature waste heat from the engines, converting it into electricity and improving overall plant efficiency. “This commissioning demonstrates the capabilities of our HeatPower technology in advancing the energy efficiency of land- based power plants,” said Lena Sundquist, CEO of Climeon.
Above: Climeon HeatPower 150 ORC unit at the Rhodesia site (photo: Climeon)
Left: Rhodesia power plant site, UK (photo: Climeon)
New Wärtsilä engine aims to balance renewables
Wärtsilä has launched its “next generation” 46TS large bore engine, which is “designed to balance renewable energy, provide highly efficient baseload power, and can run on sustainable fuels in future.”
“Using balancing engines to support intermittent renewables is a more viable path towards a net zero power system than a renewables-only pathway,” says Wärtsilä. Balancing power can reduce costs, emissions, and land use, as suggested in Wärtsilä’s recent global power system modelling report, Crossroads to net zero, which details the vital role of balancing power in delivering the energy transition.
“The energy transition cannot be achieved by renewable power alone,” says Anders Lindberg, President of Wärtsilä Energy. “We need flexible, highly efficient engines to support wind and solar power during times of low generation. The flexible 46TS engine offers exactly that.” The 46TS is designed with sustainable fuels in mind, says Wärtsilä, to ensure that when they become readily available, these engines can play an essential role in delivering 100% renewable power systems.
Among benefits that the new engine will deliver for power producers are the following: Higher efficiency and performance: significantly improved efficiency, to around 51.3%, with
excellent performance in extreme ambient conditions and at high altitudes. Improved output: the 46TS generates 23.4 MW/unit, meaning fewer engines are needed to achieve large plant sizes.
Greater operational flexibility: rapid response to grid fluctuations, with faster ramp-up time (2 minutes) and no minimum up or down time requirements.
Fast and cost-efficient installation: modular plant installation with factory-tested modules achieving significant savings in total installed cost.
The first order for a 46TS, as previously reported in MPS, was placed by Kazakhstan Caspian Offshore Industries (KCOI), for a 120 MW power plant in Kazakhstan, described as ‘hybrid’, integrating piston power with wind and solar.
Wärtsilä’s new 46TS large bore engine (photo: Wärtsilä)
www.modernpowersystems.com | May 2025 | 37
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