Image: How much electricity does sun provide?

Have you ever read your electrical bill and tried to figure it out? Few have managed to decipher it. Fat Spaniel is trying to capitalize on that confusion. The company's system measures how much solar energy panels are generating (the green bar in the top set of graphics), how much a consumer is gobbling up, and the net savings. Here's a explantory graph from the company's Web site.

The company also gives you calculations on CO2 savings. It says that accurate monitoring will provide evidence for promoting solar power.