How Much Does It Cost to Run a Garbage Disposal in Kentucky? (2026)

A garbage disposal runs for seconds at a time. A half-horsepower unit draws around 550 watts, so even daily use adds only a few kWh a year.

A typical garbage disposal (550 W) costs $0.078 per hour, or about $0.12 per month at 0.05 hours a day in Kentucky. Cheap to run

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 375 W$0.053$0.003$0.080$0.98
Typical 550 W$0.078$0.004$0.12$1.43
High 750 W$0.11$0.005$0.16$1.95

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 0.05 h/day ≈ 10 kWh per year.

One hour of a garbage disposal (0.55 kWh) is the same electricity as

Electricity per year at typical use, on a log scale: #10 of 95 appliances, from least to most.

In Kentucky, with electricity at 14.3¢ per kWh (source: EIA Table 5.6.A, 2026-06), a typical garbage disposal costs $0.078 per hour and about $1.43 per year at 0.05 hours a day. That is about 22% less than the national average for the US ($0.15 per month), because electricity in Kentucky costs 14.3¢ per kWh against 18.3¢ nationally. Each $1.00 of electricity buys roughly 12.8 hours of use.

How to lower the cost of running a garbage disposal

Frequently asked questions

How much electricity does a garbage disposal use?

Around 3 to 5 kWh a year with daily use, almost nothing on the bill.

Does a garbage disposal raise the water bill?

Slightly, since it needs running water while it works.

What is the biggest running cost of a disposal?

Water and, if you use hot water, the energy to heat it.

Cost by region

US states
Canadian provinces

Related appliances

Use the generic electricity cost calculator · Which uses more? Take the quiz