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Table 4 Input data and results for cost analysis

From: Utilization of renewably generated power in the chemical process industry

Chemical process
Power requirement (MW) 5
Operating hours (h/a) 8,000
Average energy costs (Mio. €/a) [4] 6.5
Electricity supply
  Wind turbine Photovoltaic
Capacity per plant (MW) 2.5 5
Full load hours (h/a) [11] 2,100 840
Capital cost, operating costs, and WACC
  Capital cost (€/kW) [26] Capital cost (€/kW) [26]
  Lower bound Upper bound
Wind turbines (2 to 3 MW) 1,000 1,800
Photovoltaic (5 MWp) 1,000 1,400
  Operating costs (ct/kWh) [26],[15] Nominal WACC (%) [26]
Wind turbines (2 to 3 MW) 1.8 5.9
Photovoltaic (5 MWp) 24 4.8
Results for different sources of electricity supply
  Scenario I Scenario II Scenario III
100% wind power 100% sun power 50%/50% mix
Installed capacity (MW) 20 50 10 (wind turbines)
25 (photovoltaic)
Σ capital cost (Mio. €) 20 (lower bound) 50 (lower bound) 35 (lower bound)
36 (upper bound) 70 (upper bound) 53 (upper bound)
Operation costs (Mio. €/a) 0.72 9.6 5.16
Payback period (a) 5.7 (lower bound) Not within lifetime (> 4.lifetime) 40 (not within lifetime)
10.5 (upper bound)