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Table 4 Potential of three optimized EGS designs with an i-p separation of 2000 m

From: Maximum potential for geothermal power in Germany based on engineered geothermal systems

Parameter

Doublet

Triplet

Reversed-triplet

Injection flow rate (L s −1)

100

150

90

Average thermal power (MW t )

38.0

57.7

68.3

Average electric power (MW e )

3.6

5.3

6.3

Surface area required a (km 2)

0.7

1.3

1.3

Electric energy produced in 31 years (TJ)

3584

5260

6251

  1. aProjection of the subsurface heat-exchange area on the surface. The actual land footprint is much less