Aiken Electric Coop Inc bill decoder

$153.86a month at 1,000 kWh on Aiken's SINGLE-PHASE SERVICE AP tariff

Aiken sells under this tariff at 15.39¢ per kWh all-in, +0.43¢ against the South Carolina average of 14.96¢. The $41.06 fixed charge is 27% of the bill.

Aiken at 1,000 kWh, line by line

Aiken bills $1.3500 a day, 27% of the $153.86 total at 1,000 kWh. Aiken tiers its energy: the first 200 kWh cost 13.00¢, then 10.40¢ above 1,000 kWh (-20%), so 0 of 1,000 kWh pay the top rate.

Aiken: what the tariff charges

Aiken tariff lines
Line	Charged	Amount
Customer charge	$1.3500 per day, about 30.4 days a month	$41.06
Energy, Nov to Jun, tier 1	First 200 kWh	13.00¢ per kWh
Energy, Nov to Jun, tier 2	200 to 1,000 kWh	10.85¢ per kWh
Energy, Nov to Jun, tier 3	Over 1,000 kWh	10.40¢ per kWh
Energy, Jul to Oct, tier 1	First 200 kWh	13.00¢ per kWh
Energy, Jul to Oct, tier 2	200 to 1,000 kWh	10.85¢ per kWh
Energy, Jul to Oct, tier 3	Over 1,000 kWh	12.10¢ per kWh

Aiken at 500, 1,000 and 2,000 kWh

Aiken: $153.86 for 1,000 kWh
kWh	Total	¢/kWh	Fixed	Energy	SC avg
500	$99.61	19.92	$41.06	$58.55	$74.80
1,000	$153.86	15.39	$41.06	$112.80	$149.60
1,097 (average home)	$164.50	15.00	$41.06	$123.44	$164.11
2,000	$263.53	13.18	$41.06	$222.47	$299.20

How the Aiken total climbs

$72.49 at 250 kWh becomes $373.20 at 3,000 kWh, 5.1 times the bill for 12 times the power.

Aiken total in dollars, by kWh

72250
100500
127750
1541,000
2091,500
2642,000
3733,000

Check your Aiken bill

Aiken: tariff against EIA

EIA-861 puts the 2024 home price at 15.53¢ for Aiken, across 49,460 home accounts using 1,097 kWh a month. The tariff gives 15.00¢ ($164.48). The +0.53¢ gap, about $5.81 a month, is riders, other plans and rate changes.

Aiken: sources and limits

Tariff: SINGLE-PHASE SERVICE AP, effective 2025-01-01, record 69430f4cfeea97c1d00b30c9, updated 2025-12-18; decode_tariffs.csv.
Tariff sheet cited by the record: http://www.aikenco-op.org/servicerules/scheduleAP.pdf.
Data: OpenEI URDB, EIA-861, EIA state data.

Aiken: taxes, riders and adjustments sit outside these rates.

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Questions

What does Aiken charge before I use any power?

$1.3500 per day ($41.06 a month), which is 41% of the $99.61 total at 500 kWh.

How much is 1,000 kWh at Aiken?

$153.86: $41.06 fixed plus $112.80 energy, 15.39¢ per kWh. Taxes and riders come on top.

Why does my Aiken bill not match the tariff?

Because EIA's 2024 average of 15.53¢ for Aiken sits +0.53¢ from the 15.00¢ the tariff gives at 1,097 kWh. Riders, fees and other plans explain it.

What does the last kWh cost at Aiken?

Going from 1,000 to 2,000 kWh adds $109.67, or 10.97¢ per extra kWh, against 10.85¢ for 500 to 1,000 kWh.

Is the Aiken tariff on this page current?

It dates from 2025-01-01, 15 months before the April 2026 snapshot. Aiken may have filed newer rates since.

What does an average Aiken home use?

1,097 kWh a month in 2024 (EIA-861), which costs $164.48 on this tariff.