Savencia/CF&R, France

ABOUT THE COMPANY:

  • One of Europe’s leading cheese dairies
  • Main products: cheese

THE PROJECT:

  • One-stage
  • 1.700 kW
  • Source: 50/44°C
  • Sink: 65°C/85°C
  • Source: Cooling plant
  • Heat for pasteurization, sterilization

RESULTS:

  • COP 5,5: 81% energy savings
  • Annual savings: Approx. 11 GWh
  • First plant in co-operation with Engie Axima
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TINE Bergen, Norway

ABOUT THE COMPANY:

  • Cooperative owned by Norwegian milk producers.
  • 31 dairies in Norway and 7 subsidiaries in six foreign countries.
  • Main products: milk, cheese and other dairy products.
  • Annual turnover in 2018: NOK 23.5 billion.
  • Dairies traditionally use high temperature steam for high temperature needs.

THE PROJECT:

  • In 2017, TINE set out to build “the greenest dairy in Europe”.
  • TARGET: Overall energy reduction of 40% compared to traditional dairy.
  • The chosen solution featured integrated energy recovery using heat pumps.
  • Hybrid Energy was chosen as the main supplier, delivering a complete heat recovery system built around a GreenPAC.
  • The GreenPAC made it possible to cover the whole temperature range using recovered heat with district heating as backup.

RESULTS:

  • No fossil boilers. No chimney.
  • Dairy said to be “modernizing the dairy industry”
  • Annual savings: Approx. 4.2 GWh.
  • Most energy efficient dairy in Norway.
  • In 2019 TINE won the Norwegian Heat Pump Awards.
  • Later in 2019, TINE won the prestigious European Heat Pump Association (EHPA) Heat Pump City of the Year Award.
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Borregaard, Norway

Borregaard commissioned a single stage hybrid heat pump in 2017. The hybrid heat pump recovers high temperature waste heat and delivers 2MW used to preheat feedwater to the plant’s steam boiler.

The project was part of a larger energy efficiency project, and with help from ENOVA, Borregaard has reduced their energy consumption by 60GWh per year. Borregaard’s plant in Sarpsborg is one of the world’s most advanced bio refineries.

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FREVAR, Norway

In the beginning of 2016 Hybrid Energy commissioned a two stage hybrid heat pump at FREVAR waste water treatment plant in Fredrikstad, Norway. The heat pump system recovers heat from the biogas upgrading plant and treated waste water. The heat is delivered to the plants central heating system, where it is used for preheating of sludge being fed to the biogas rot tanks, heating buildings and other processes.

The Hybrid Heat Pump was designed to deliver water at 203 °F (95°C), but has delivered 230°F (110°C) without strain during testing.

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Løgumkloster, Denmark

In 2015, Løgumkloster District Heating plant installed a Hybrid Heat Pump in their central in South Jutland. The Hybrid Heat Pump recovers heat from their CSP solar facility and supplies it to the district heating net. At the same time the Hybrid Heat Pump delivers cooled water that is used for cooling in other heat producing processes, including the solar facility.

The Hybrid Heat Pump reduces consumption of natural gas by 28,000,000 cubic ft. annually, has led to annual CO2-reductions of 528 metric tons and a NOx reduction of 1,8 metric tons.

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Skretting Stokmarknes, Norway

Skretting is the world leading producer of feed for the aquaculture industry. They produce fish and shrimp feed for a range of species. In 2013 they installed a two-stage hybrid heat pump in their factory at Stokmarknes, Norway. The Hybrid Heat Pump recovers heat from exhaust air and uses it to pre heat drying air and other processes. By introducing a Hybrid Heat Pump, the factory in Stokmarknes reduces their overall energy consumption by 20%.

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Arla Arinco, Denmark

Each year Arla’s dry milk plant in Videbæk uses tremendous amounts of energy in their production. In 2012 they installed a Hybrid Heat Pump of 1,200 kW, recovering waste heat from the evaporation process used to heat up process air.

Instead of cooling the evaporator with water from cooling towers, the excess heat from the cooling process is used to pre heat air to the driers. With a repayment period of 20 months, the Hybrid Heat Pump yields annual energy savings of 4.6 GWh and an annual CO2-reduction of 1,400 metric tons.

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