Home Theater System in Cambridge — $85/yr to Run (26.9¢/kWh)
Your home theater system in Cambridge costs about $7/month at 26.9¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Cambridge, MA Electricity Rate
26.9¢/kWh
Utility: Eversource Energy
+107% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.28
1.0 kWh/day
Monthly Cost
$7.07
26 kWh/mo
Annual Cost
$85
315 kWh/yr
Lifetime (10yr)
$848
energy only
Monthly Cost Breakdown in Cambridge
| Period | kWh | Cambridge Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 1.0 | $0.28 | $0.14 | +$0.15 |
| Weekly | 7.3 | $1.98 | $0.96 | +$1.02 |
| Monthly | 26.2 | $7.07 | $3.41 | +$3.66 |
| Quarterly | 78.7 | $21.21 | $10.24 | +$10.97 |
| Annual | 315.0 | $84.83 | $40.95 | +$43.88 |
Customize Your Home Theater System Cost
Adjust usage hours and electricity rate to calculate your exact cost in Cambridge.
Daily
$0.28
Monthly
$7.07
Annual
$85
10-Year
$848
Energy Saving Tips for Home Theater System in Cambridge
- ✓Cambridge electricity rates are 107% above the national average — energy efficiency matters more here.
- ✓A smart Home Theater System with scheduling optimization can save ~$13/year at Cambridge rates.
- ✓Use power strip to eliminate standby drain
- ✓Set to auto-off with TV
- ✓Reduce subwoofer level for moderate listening
Highest-Cost Appliances in Cambridge, MA
See which appliances cost the most to run at Cambridge's 26.9¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$3,490/yr
$290.84/mo
Electric Furnace
HVAC · 10,000W
$2,424/yr
$201.97/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$1,769/yr
$147.44/mo
EV Charger (Level 2)
Garage · 7,200W
$1,745/yr
$145.42/mo
Boiler (Electric)
HVAC · 6,000W
$1,454/yr
$121.18/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$1,327/yr
$110.58/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$1,327/yr
$110.58/mo
Heat Pump
HVAC · 2,400W
$1,034/yr
$86.18/mo
Home Theater System Cost in Other Massachusetts Cities
| City | Rate | Annual Cost | vs Cambridge |
|---|---|---|---|
| Cambridge (current) | 26.9¢ | $85 | — |
| Boston | 27.8¢ | $88 | +$3 |
| Worcester | 29.6¢ | $93 | +$8 |
| Springfield | 29.2¢ | $92 | +$7 |
| Lowell | 30.3¢ | $95 | +$11 |
| Brockton | 21.0¢ | $66 | $-19 |
| Quincy | 21.4¢ | $68 | $-17 |
| New Bedford | 23.4¢ | $74 | $-11 |
| Lynn | 21.5¢ | $68 | $-17 |
Home Theater System Energy Cost FAQ — Cambridge, MA
Understanding Home Theater System Energy Costs in Cambridge, MA
Cambridge is a mid-sized Massachusetts city where residential electricity rates from Eversource Energy are shaped by regional energy supply and local demand patterns. Running a low-draw appliance like the Home Theater System (350W) at Cambridge's rate of 26.9¢/kWh costs approximately $85 per year — $44 more than the national average of $41.
Electricity in Cambridge is significantly more expensive than the national average — 107% higher. For a Home Theater System used 3 hours per day, this rate premium adds up to $44 in extra annual costs. Energy-efficient models and usage habits have an outsized impact in high-rate markets like this.
Cambridge has a high cost of living (index: 127), which means electricity is just one of many above-average expenses. Reducing appliance energy costs — even by small amounts — contributes to meaningful household savings in this market. While no ENERGY STAR version is available, a smart Home Theater System with automated scheduling can reduce consumption by 15%, saving $13/year.
Cambridge's moderate climate (avg 49.8°F) helps keep seasonal energy cost swings manageable for most appliances. A Home Theater System produces approximately 0.22 tons of CO2 annually at typical usage. Cambridge residents can reduce this footprint by optimizing usage patterns, or investing in solar — see our solar savings calculator for Cambridge.
Compare All Energy Costs in Cambridge
See energy costs for 168+ household appliances at Cambridge's local electricity rate.