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Distributed solar thermal costs

Lead and sign-off

2050 Costs team lead - Michael Clark

Working-level analyst - Henry Shennan, Ben Marriot (DECC)

Senior analyst - Sam Thomas, Rocio Concha

Data sources

Markal3.24Doc

Renewable Heat Team

ESME

Technologies costed in this sector

  • Domestic Solar thermal

Solar Thermal

Costs summary (£ per KW):

Overall Low High
Capital 677 3,936

Current Calculator assumptions

  • Lifetime = 20 years
  • Conversion efficiency = 50%
  • Electricity consumption (to run pump) = 7% of heat supplied

Investment Cost sources

  • High cost = Micro Solar Thermal (non-south facing), 60% above reference from ESME, Availability = 7.5%, Life = 20yrs
  • Low cost = Micro Solar Thermal (south facing), -40% from reference from ESME, Availability = 7.5%, Life = 20yrs

Issues, concerns and questions