For the very small power plants (C1-C3) the AEP was in the range of 0.64-2.21 GWh/year, while for small power plants (C4-C6) the range was 2.40-7.11 GWh/year. The triple cases of small power plants (C7-C9) had the range 7.09-21.10 GWh/year. The wake loss was reduced with increased distance between the wind turbines: in the layout case 15DX15D the wake loss was below 5 %, as shown in Fig 10.