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Workshop in Ireland 12-13 June 2014 SUNSTORE® 4 From concept to operation Per Alex Sørensen

Sunstore District Heating Project - From Concept to Operation - Per Alex Sørensen

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Sunstore District Heating Project - From Concept to Operation - Per Alex Sørensen's presentation at the District Heating Workshop on June 12 & 13 2014 at Cloughjordan Eco Village.

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Page 15: Sunstore District Heating Project - From Concept to Operation - Per Alex Sørensen

Workshop in Ireland 12-13 June 2014

SUNSTORE® 4 From concept to operation

Per Alex Sørensen

Data for the pit heat storage in Marstal

• Built 2011-12 • Size: 75,000 m3 water • Price 2.65 mio. € excl. transmission pipe or 35.5

€/m3 or 0.38 €/kWh • Temperatures 10 – 90o C • Capacity: 6,960 MWh • Charge and discharge capacity: 10.5 MW • Calculated heat loss: 2,475 MWh/year

Page 16: Sunstore District Heating Project - From Concept to Operation - Per Alex Sørensen

Workshop in Ireland 12-13 June 2014

SUNSTORE® 4 From concept to operation

Per Alex Sørensen

Experiences during operation

• Water quality and corrosion

• Leakage control and leakage repair

• Adjustment and improved fixation of insulation

Page 17: Sunstore District Heating Project - From Concept to Operation - Per Alex Sørensen

15.125 M2 solar panels

Page 18: Sunstore District Heating Project - From Concept to Operation - Per Alex Sørensen

Efficiency

Page 19: Sunstore District Heating Project - From Concept to Operation - Per Alex Sørensen
Page 47: Sunstore District Heating Project - From Concept to Operation - Per Alex Sørensen

Energy flow diagram. Comparison between monitoring results year 2013 and design values