Drag the sliders and get a ballpark. For the real numbers about your roof, utility, and rates, grab a free quote and we'll do the homework.
Your bill already encodes your usage and your utility's rates, so it's the single best predictor of what solar can offset.
Every year utility rates rise, the power you make yourself is worth more. That's why long-run savings grow faster than the first year suggests.
System cost, the 30% federal tax credit, and local incentives are all laid out in your quote so you see payback, not just savings.