(a) We calculate your electric power bill based on the:

(1) Current rate schedule for your type service; and

(2) Applicable service fees for your type service.

(b) If you have a metered service we must:

(1) Read your meter monthly;

(2) Calculate your bill based on your metered energy consumption; and

(3) Issue your bill monthly, unless otherwise provided in a Special Agreement.

(c) If we are unable to calculate your metered energy consumption, we must make a reasonable estimate based on one of the following reasons:

(1) Your meter has failed;

(2) Your meter has been tampered with; or

(3) Our utility personnel are unable to read your meter.

(d) If you have an unmetered service, we calculate your bill in accordance with your Special Agreement.