Mini-Split Air Conditioner in Madison — $172/yr to Run (14.9¢/kWh)
Your mini-split air conditioner in Madison costs about $14/month at 14.9¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Madison, WI Electricity Rate
14.9¢/kWh
Utility: Madison Gas & Electric (MGE)
+15% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.43
9.6 kWh/day
Monthly Cost
$14.32
96 kWh/mo
Annual Cost
$172
1,152 kWh/yr
Lifetime (20yr)
$3,438
energy only
Monthly Cost Breakdown in Madison
| Period | kWh | Madison Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.6 | $1.43 | $1.25 | +$0.18 |
| Weekly | 67.2 | $10.03 | $8.74 | +$1.29 |
| Monthly | 96.0 | $14.32 | $12.48 | +$1.84 |
| Quarterly | 288.0 | $42.97 | $37.44 | +$5.53 |
| Annual | 1152.0 | $171.88 | $149.76 | +$22.12 |
Customize Your Mini-Split Air Conditioner Cost
Adjust usage hours and electricity rate to calculate your exact cost in Madison.
Daily
$1.43
Monthly
$14.32
Annual
$172
20-Year
$3,438
Energy Saving Tips for Mini-Split Air Conditioner in Madison
- ✓Madison electricity rates are 15% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Mini-Split Air Conditioner in Madison saves ~$34/year compared to standard models.
- ✓A smart Mini-Split Air Conditioner with scheduling optimization can save ~$43/year at Madison rates.
- ✓Zone cooling saves energy
- ✓Clean filters every 2 weeks in summer
- ✓Set to auto fan mode
ENERGY STAR Savings: Upgrading to an ENERGY STAR Mini-Split Air Conditioner in Madison saves approximately $34/year at local rates — $688 over the appliance lifetime.
Highest-Cost Appliances in Madison, WI
See which appliances cost the most to run at Madison's 14.9¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,934/yr
$161.14/mo
Electric Furnace
HVAC · 10,000W
$1,343/yr
$111.90/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$980/yr
$81.69/mo
EV Charger (Level 2)
Garage · 7,200W
$967/yr
$80.57/mo
Boiler (Electric)
HVAC · 6,000W
$806/yr
$67.14/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$735/yr
$61.27/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$735/yr
$61.27/mo
Heat Pump
HVAC · 2,400W
$573/yr
$47.74/mo
Mini-Split Air Conditioner Cost in Other Wisconsin Cities
Mini-Split Air Conditioner Energy Cost FAQ — Madison, WI
Understanding Mini-Split Air Conditioner Energy Costs in Madison, WI
Madison is a mid-sized Wisconsin city where residential electricity rates from Madison Gas & Electric (MGE) are shaped by regional energy supply and local demand patterns. Running a moderate-draw appliance like the Mini-Split Air Conditioner (1,200W) at Madison's rate of 14.9¢/kWh costs approximately $172 per year — $22 more than the national average of $150.
Madison rates are 15% above the national average — a modest premium that adds $22 per year to Mini-Split Air Conditioner operating costs. Over the appliance's 20-year lifespan, that's $442 in cumulative extra spending versus the national average.
Madison's cost of living index of 92 is below the national average, and electricity costs reflect that affordability. The Mini-Split Air Conditioner adds $14.32/month to a typical bill of $134. Upgrading to an ENERGY STAR Mini-Split Air Conditioner can cut energy use by up to 20%, saving approximately $34 per year at Madison rates.
Madison's moderate climate (avg 57.4°F) helps keep seasonal energy cost swings manageable for most appliances. A Mini-Split Air Conditioner produces approximately 0.82 tons of CO2 annually at typical usage. Madison residents can reduce this footprint by choosing an ENERGY STAR certified unit, optimizing usage patterns, or investing in solar — see our solar savings calculator for Madison.
Compare All Energy Costs in Madison
See energy costs for 178+ household appliances at Madison's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Mini-Split Air Conditioner in Madison, WI?
At Madison's average electricity rate of 14.9¢/kWh, a Mini-Split Air Conditioner costs approximately $172 per year to run. That's about $14.32 per month with typical usage of 8 hours per day.
What is the electricity rate in Madison, WI?
The average residential electricity rate in Madison, WI is 14.9¢/kWh, which is 15% above the national average of 13.0¢/kWh. The primary utility provider is Madison Gas & Electric (MGE).
How much electricity does a Mini-Split Air Conditioner use per year?
A Mini-Split Air Conditioner uses approximately 1,200 watts and consumes about 1,152 kWh per year with typical usage of 8 hours/day for 120 days/year.
Is a Mini-Split Air Conditioner expensive to run in Madison?
Compared to the national average cost of $150/year, running a Mini-Split Air Conditioner in Madison costs $22 more per year due to higher local electricity rates.
How can I reduce my Mini-Split Air Conditioner energy cost in Madison?
To reduce Mini-Split Air Conditioner costs in Madison: Zone cooling saves energy. Clean filters every 2 weeks in summer. Upgrading to an ENERGY STAR model saves up to 20% on energy costs. Also check with Madison Gas & Electric (MGE) for local energy efficiency rebates and programs.