PlanEnergi has been client advisor for Marstal District Heating since 1995. First on the establishment of 8,000 m2 solar collectors in 1995-1996, later on the expansion to 18,300 m2 solar collectors and 10,000 m3 pond heat storage in 2002-04 and most recently in the SUNSTORE 4 project, where the final steps to 100 % RE supply is taken by establishing additional:
15,000 m2 solar collectors
75,000 m3 pond heat storage
0.5 MW (cooling) heat pump
4 MW chip unit with 750 KW electricity ORC (Organic Rankine Cycle
The plant was commissioned in the summer of 2012, where it was the world’s second largest solar heating plant for district heating supply. The project is supported by the EU’s 7th Framework Programme.
Planning, design, tendering, installation and commissioning of extension of Marstal District Heating production system with 75,000 m3 seasonal storage PTES, 15,000 m2 solar collector system, 1.5 MWthermal heat pump and 4 MW wood-fired boiler with 0.75 MW ORC. Optimization of the plant overall control strategy. Preparation of tender and contracting of membrane work and lidding. Supervision of membrane works and lids. Handover and commissioning the storage.
Contract value: DKK 64 million (8,5 M EUR)
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