AC running cost in Miami, FL: FPL
Miami averages 4,656 cooling degree days a year at Miami International Airport, about 1.3× Florida's statewide average. A typical 2,000 sq ft home's central AC uses roughly 5,268 kWh a year (estimate; see method).
Miami climate (NOAA 1991–2020 normals, Miami International Airport)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 156 | 182 | 260 | 352 | 466 | 534 | 590 | 595 | 538 | 467 | 297 | 219 |
Cooling degree days, base 65°F. Source: NOAA NCEI Monthly Normals, station USW00012839
FPL (Florida Power & Light): Residential Service (RS-1)
Estimated AC energy cost for a 2,000 sq ft Miami home (average insulation, 14 SEER2): $670/year, peaking at $88 in Aug.
Up to 1,000 kWh/month: 12.258¢/kWh; above that: 14.258¢/kWh (base energy + fuel + conservation, capacity, environmental, storm protection, transition credit). Tiered pricing: we assume your home uses about 600 kWh/month for things other than AC (an assumption), and AC usage stacks on top of that.
| Month | AC kWh | AC cost |
|---|---|---|
| Jan | 176 | $22 |
| Feb | 205 | $25 |
| Mar | 294 | $36 |
| Apr | 398 | $49 |
| May | 528 | $67 |
| Jun | 604 | $78 |
| Jul | 668 | $87 |
| Aug | 673 | $88 |
| Sep | 609 | $79 |
| Oct | 528 | $67 |
| Nov | 336 | $41 |
| Dec | 248 | $30 |
Fixed charge not included: $10.52/month base charge (minimum bill $30). Excludes base charge, taxes, franchise and gross receipts fees. Effective October 2026 rate insert (excludes the Northwest Florida variant). Sources: www.fpl.com (residential-rates-oct2026.pdf) · www.fpl.com (electric-tariff-section8.pdf)