Click the sun or anywhere to generate energy.
Press 1-5 to buy different solar panels (Basic, Efficient, Array, Dyson, Quantum).
Press Q-W-E-R-T to upgrade Efficiency, Durability, Storage, Capacity, and Weather Prediction.
Press Y to expand the power grid and gain customers.
Press U to buy batteries for night-time storage.
Press P to prestige and reset with a permanent multiplier bonus.
Watch the weather and day/night cycle — panels produce less at night and during storms. Heatwaves give 3x energy!