Your electric bill is confusing on purpose. Understand it, then compare plans to find the cheapest one.
Find this on the first page of your bill
These multiply by your usage (enter in cents, just like your bill)
Fixed fees that don't change with usage
Extra fees or credits that trigger based on your usage
Charge example: "$9.95 fee when usage exceeds 1,000 kWh" — set to Charge, threshold 1000, Flat $, fee 9.95
Credit example: "$150 credit when usage exceeds 2,000 kWh" — set to Credit, threshold 2000, Flat $, fee 150
Here's a real rate plan document. Every plan has these same pieces — just look for the highlighted items below.

Energy Rate → Step 2
15.294¢/kWh — enter as 15.294 in "Energy Rate"
Delivery Charges → Steps 2 & 3
5.5833¢/kWh goes in Step 2, $4.23/mo goes in Step 3
Base Charge → Step 3
$0.00/mo here, but some plans charge $5–$15
Credit / Surcharge → Step 4
$125 credit when ≥ 1,000 kWh — set as Credit, threshold 1000
Enter the kWh from each month on your past bills
Build each plan using the same charge types from the Calculator tab