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Table 5 Optimal CHP size for building phases 1 and 2

From: Upscaling a district heating system based on biogas cogeneration and heat pumps

( n , m ) Profit without Optimal CHP t op,chp Boiler size t op, b Profit with
  CHP (€/year) size \({\dot {E}_{\textit {chp}}}\) (kW) (h/year) \({\dot {Q}_{b}}\) (kW) (h/year) CHP (€/year)
(40, 0) −6,911 6 8,659 78 3,077 −2,571
(160, 16) −20,807 100 6,140 228 2,033 −12,380