Power Rancher

Welcome to the future! The year is 2120. Power has become scarce. You are a "Power Rancher," someone who farms their own power on their ranch and sells it off to the highest bidder. The problem is that the government has required that you sell power at a discounted rate to the nearby city. And if you ever dont have enough for them... well lets just say you dont want to find out what happens. By the end of day 1 you must have 10 Power Units to give to the city. Day 2: 20 Units. Day 3: 40. And so ...