But it won't produce a high portion of your energy consumption if your home is fairly large. The surface area of a storage building isn't enough even with 400 watt panels. So you'll still fuss and grumble a lot when the Colorado power company finds reason to raise your rates.
Xcel is a Minneapolis- based monopoly ... Xcel is guaranteed a profit on every dollar it spends building new facilities. This is a tremendous incentive for Xcel..