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Table 2 Investment costs and life span for electric, gas, and heat edges in lower and upper grid level as well as transformers (electric) and pressure regulators (gas)

From: Integrated planning of grids and energy conversion units in municipal multi-energy carrier systems

  el_lv el_mv gas_lp gas_hp heat_low heat_up
Inv. costs [EUR/(kW km)] 630 23 79 4 242 60
Life span [a] 45 45 50 50 40 40
  el_mv_lv   gas_hp_lp    
Inv. costs [EUR/kW] 40   6    
Life span [a] 35   45