Summer electricity bills in Entergy's service territory—Louisiana, Southeast Texas, Arkansas, and Mississippi—are among the highest seasonal bills in the country. This isn't primarily due to rates; it's due to the extreme cooling demands of the Gulf Coast climate.
The Gulf Coast Summer Challenge
Heat and humidity: While Arizona might hit 115°F, the Gulf Coast's combination of 95°F temperatures with 80%+ humidity creates a higher "heat index" that makes cooling more difficult. Your air conditioner must remove both heat AND moisture from the air.
Longer cooling season: In Louisiana and Southeast Texas, air conditioning runs 7-8 months per year, compared to 3-4 months in northern states.
Older housing stock: Many homes in the region were built before modern insulation and efficiency standards.
A typical Louisiana home uses 1,500-2,500 kWh in summer months, compared to 800-1,200 kWh in spring and fall.
Why Bills Can Double or Triple
It's not unusual for Entergy customers to see summer bills that are 2-3 times higher than spring bills:
| Season | Usage | Bill |
|---|---|---|
| Spring | 900 kWh | ~$126 |
| Summer | 2,100 kWh | ~$303 |
The usage increase from 900 to 2,100 kWh—a 133% jump—drives most of the bill increase. Your summer bill isn't high because Entergy raised rates. It's high because your AC is running 2-3 times more.
Factors That Make Summer Bills Worse
- Thermostat settings: Each degree below 78°F increases cooling costs by 3-5%
- AC system age: Older systems (15+ years) may operate at 50-70% of original efficiency
- Duct leakage: Ducts in unconditioned attics can waste 20-30% of cooled air
- Poor insulation: Many older Louisiana homes have inadequate insulation
- Dehumidification load: High humidity forces longer AC cycles
Managing Summer Costs
While you can't change the weather, you can reduce summer bill impacts:
- Thermostat management: Use a programmable thermostat to raise temperatures when away
- Maintenance: Annual AC tune-ups, filter changes, and duct sealing improve efficiency
- Insulation upgrades: Adding attic insulation is cost-effective for Gulf Coast homes
- Ceiling fans: Allow you to raise the thermostat 2-4 degrees while maintaining comfort
Use our sanity check to see if your summer rate is within the typical range.