\( \text{Energy Production (kWh)} = \text{Panel Efficiency} \times \text{Panel Area (m²)} \times \text{Local Radiance (kW/m²)} \times \text{Hours of Sunlight} \)
\( \text{Buyback Amount (\$)} = \text{Energy Production (kWh)} \times \text{Buyback Rate (\$/kWh)} \)