Cost to Run a CFL Bulb (13W)
A single 13W CFL bulb (60W equivalent)
Wattage
13W
Daily Usage
8h
Monthly Cost*
$0.54
Annual Cost*
$6.54
* At national average rate of 17.22¢/kWh
Cost to Run CFL Bulb (13W) by State
From cheapest (Idaho: $0.35/mo) to most expensive (Hawaii: $1.35/mo).
| # | State | Rate | Monthly | Annual |
|---|---|---|---|---|
| 1 | Idaho | 11.15¢ | $0.35 | $4.23 |
| 2 | Washington | 11.26¢ | $0.35 | $4.27 |
| 3 | Utah | 11.41¢ | $0.36 | $4.33 |
| 4 | Wyoming | 11.72¢ | $0.37 | $4.45 |
| 5 | North Dakota | 12.43¢ | $0.39 | $4.72 |
| 6 | Louisiana | 12.52¢ | $0.39 | $4.75 |
| 7 | Oregon | 12.55¢ | $0.39 | $4.76 |
| 8 | Montana | 12.81¢ | $0.40 | $4.86 |
| 9 | Oklahoma | 12.82¢ | $0.40 | $4.87 |
| 10 | Tennessee | 12.91¢ | $0.40 | $4.90 |
| 11 | Arkansas | 13.04¢ | $0.41 | $4.95 |
| 12 | Nebraska | 13.08¢ | $0.41 | $4.97 |
| 13 | Kentucky | 13.19¢ | $0.41 | $5.01 |
| 14 | West Virginia | 13.44¢ | $0.42 | $5.10 |
| 15 | Mississippi | 13.54¢ | $0.42 | $5.14 |
| 16 | South Dakota | 13.74¢ | $0.43 | $5.22 |
| 17 | Missouri | 13.78¢ | $0.43 | $5.23 |
| 18 | North Carolina | 14.09¢ | $0.44 | $5.35 |
| 19 | Georgia | 14.27¢ | $0.45 | $5.42 |
| 20 | South Carolina | 14.43¢ | $0.45 | $5.48 |
| 21 | Virginia | 14.64¢ | $0.46 | $5.56 |
| 22 | Arizona | 14.78¢ | $0.46 | $5.61 |
| 23 | Alabama | 14.87¢ | $0.46 | $5.64 |
| 24 | Nevada | 14.92¢ | $0.47 | $5.66 |
| 25 | Delaware | 14.94¢ | $0.47 | $5.67 |
| 26 | Texas | 15.06¢ | $0.47 | $5.72 |
| 27 | Iowa | 15.14¢ | $0.47 | $5.75 |
| 28 | Ohio | 15.21¢ | $0.47 | $5.77 |
| 29 | Kansas | 15.28¢ | $0.48 | $5.80 |
| 30 | New Mexico | 15.34¢ | $0.48 | $5.82 |
| 31 | Indiana | 15.42¢ | $0.48 | $5.85 |
| 32 | Colorado | 15.56¢ | $0.49 | $5.91 |
| 33 | Minnesota | 15.63¢ | $0.49 | $5.93 |
| 34 | Florida | 16.22¢ | $0.51 | $6.16 |
| 35 | Illinois | 16.27¢ | $0.51 | $6.18 |
| 36 | Maryland | 16.57¢ | $0.52 | $6.29 |
| 37 | Wisconsin | 17.38¢ | $0.54 | $6.60 |
| 38 | Pennsylvania | 18.36¢ | $0.57 | $6.97 |
| 39 | New Jersey | 18.48¢ | $0.58 | $7.02 |
| 40 | Michigan | 19.34¢ | $0.60 | $7.34 |
| 41 | Vermont | 21.43¢ | $0.67 | $8.13 |
| 42 | Alaska | 24.21¢ | $0.76 | $9.19 |
| 43 | New York | 24.33¢ | $0.76 | $9.24 |
| 44 | New Hampshire | 25.78¢ | $0.80 | $9.79 |
| 45 | Maine | 26.37¢ | $0.82 | $10.01 |
| 46 | Rhode Island | 28.08¢ | $0.88 | $10.66 |
| 47 | Massachusetts | 28.58¢ | $0.89 | $10.85 |
| 48 | Connecticut | 29.98¢ | $0.94 | $11.38 |
| 49 | California | 31.22¢ | $0.97 | $11.85 |
| 50 | Hawaii | 43.18¢ | $1.35 | $16.39 |
Energy Saving Tips for CFL Bulb (13W)
- Switch to LED bulbs which use 75% less energy than incandescent bulbs.
- Use dimmers, timers, or motion sensors to reduce lighting waste.
- Take advantage of natural daylight whenever possible.
- Turn off lights when leaving a room.
- Use task lighting instead of overhead lights for focused work.
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Frequently Asked Questions
How much electricity does a CFL Bulb (13W) use?
A typical CFL Bulb (13W) uses 13 watts and runs about 8 hours per day, consuming 0.10 kWh daily.
How much does it cost to run a CFL Bulb (13W) per month?
At the national average electricity rate of 17.22¢/kWh, running a CFL Bulb (13W) costs approximately $0.54 per month.
Where is it cheapest to run a CFL Bulb (13W)?
Idaho has the lowest cost at $0.35/month, while Hawaii is the most expensive at $1.35/month.
Was this data helpful?
Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)