Puerto Rico Power Outage Risk, Electric Utilities & Generator Sizing

Puerto Rico households average 73.6 hrs/yr (4415 minutes/year) of total blackout duration across 18.62 outages/year (Reliability Grade F — Severe Outage Risk), with an average residential electricity rate of 22.48 ¢/kWh.

Browse All 132 ZIP Codes in Puerto Rico →

Interactive Appliance Load Calculator

⚡ Home Backup Wattage Sizer for Puerto Rico

Check the appliances you need to keep running during a blackout. We calculate your continuous running watts, highest motor starting surge, and 20% NEC safety headroom automatically.

Refrigerator / Freezer200W running · 1,200W startup surge

Gas Furnace Blower Fan700W running · 1,500W startup surge

Basement Sump Pump (1/2 HP)800W running · 2,000W startup surge

Wi-Fi Router, Phones & Laptops150W running · 150W startup surge

Medical CPAP / Garage / LED Lights200W running · 400W startup surge

Well Water Pump (1/2 HP, 240V)1,000W running · 2,200W startup surge

Window / Portable AC Unit1,200W running · 2,400W startup surge

Microwave / Coffee Maker1,200W running · 1,200W startup surge

Live Sizing Result (+20% Headroom)

3,000 W

Recommended Minimum Generator / Inverter Rating

1,250 WContinuous Running

2,250 WPeak Motor Surge

Recommended Tier

Select your appliances on the left.

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Electric Utilities Operating in Puerto Rico (EIA Form 861)

Utility Name	Ownership	Customers	Outages/Yr	Annual Outage Time	Avg Restoration	Residential Rate
Puerto Rico Electric Pwr Authority (#15497)	State	1,383,774	18.62x/yr	4415 min (73.6h)	237 min	22.48 ¢/kWh