Hoyer, an electric motors and automation solutions provider, has launched the Hoyer Energy-Saving System (ESS) to help shipowners reduce fuel costs and emissions.
Designed for easy retrofit on operating vessels, the Hoyer ESS enables shipowners, operators, and fleet managers to cut motor energy use by 40-65% without requiring drydocking.
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The system aims to enhance operational efficiency while helping the maritime industry meet tightening environmental regulations, including the Energy Efficiency Existing Ship Index (EEXI), Carbon Intensity Indicator (CII), and the IMO 2050 decarbonisation targets.
Hoyer ESS integrates Variable Speed Drives (VSDs), intelligent sensors, and automation to optimise energy use in engine room fans, seawater cooling pumps, and freshwater cooling pumps.
The system reduces CO₂, SOx, and NOx emissions while also extending the lifespan of critical ship components.
Hoyer Automation Solutions global business development manager Palle Grankvist said: “Hoyer ESS is not just another control system – it is a unique and scalable retrofit solution that delivers real, measurable results.
“Shipowners today need solutions that are easy to implement, provide a fast return on investment, and deliver immediate operational and environmental benefits. With Hoyer ESS, we’re offering exactly that.”
A recent installation for an undisclosed shipowner in Europe demonstrated the system’s effectiveness, with annual energy savings of more than 1.4 million kWh, fuel savings of 290 tonnes (t), and CO₂ reductions of 628t.
The payback time for the investment is reported to be under two years.
According to the company, Hoyer ESS installations can be completed while vessels are in service, ensuring uninterrupted operations.
The firm’s Hoyer’s new system was unveiled at Sea Asia 2025, being held between 25th and 27th March in Singapore.
In a related development, earlier this year Hoyer enhanced its capabilities by acquiring NowiTek, a software automation developer, whose technology is central to the Hoyer ESS.
Additionally, Danish private equity fund Capidea acquired a majority stake in Hoyer for an undisclosed sum last month.
