Table 5 Electrolysis plants data inputs from 30 MW Global tender in 2023

From: Active trading and regulatory incentives lower the levelized cost of green hydrogen in Greece

Characteristic

Units

Average PEMEL

Average AEL

Source

 

Global tender

Global tender

Stack efficiency

kWh per kg H2

51.27

50.04

System efficiency

kWh per kg H2

54.08

53.88

Feed water consumption

L per kg H2

10.15

10.48

Degradation rate

% per 1000 h

0.19

0.115

Stack lifetime

hrs

70,000

80,000

Delivery pressure

bar

35

18.72

Hot idle ramp rate

sec

60

470

Cold idle ramp rate

sec

2400

5700

Footprint

m-2 per MW

57.5

60.20

Total system cost (including Stack and Balance costs)

mil Euros per MW

1.43

0.896