01 — How the discount works
02 — Effective cost per kWh
Effective rate = everything on the bill divided by kWh used, attributed to the calendar month it was actually incurred (not the month the bill happened to post). Shaded region is pre-subscription — no solar credit yet.
03 — Cumulative savings
04 — Generation vs. usage
05 — The ledger
| Period | Bills | Used kWh | Generated kWh | ComEd alone | With solar | Saved | Reduction |
|---|