The correct response is:
solar energy, because the dollar amount per kWh is lower.
This is because a lower levelized cost of energy (LCOE) indicates that it is less expensive to generate electricity from that energy source. In this case, $0.0545 per kWh for solar energy is lower than $0.0995 per kWh for geothermal energy, making solar energy the better option in terms of LCOE.