Summer bills in SDG&E territory can increase significantly, especially for customers in inland areas like El Cajon, Escondido, and the mountain communities. While coastal San Diego has mild summers, inland areas experience substantial heat.
San Diego Climate Zones
SDG&E serves diverse climate zones:
- Coastal: Mild year-round, minimal AC needed
- Inland Valleys: Hot summers (90-100°F+), significant AC usage
- Mountains: Hot summers, cold winters
- Desert (Borrego Springs): Extreme heat, high AC usage
Your location dramatically affects summer bill increases.
TOU Peak Pricing Impact
Summer peak rates are highest when you need AC most:
- Peak hours (4-9 PM) coincide with afternoon heat
- Peak rates can exceed $0.60 per kWh
- Running AC during peak hours dramatically increases costs
Pre-cooling your home before 4 PM can help reduce peak usage.
Summer Bill Management Tips
- Pre-cool your home before 4 PM when rates are lower
- Set thermostat to 78°F or higher during peak hours
- Use ceiling fans to feel cooler without lowering AC
- Close blinds on south and west-facing windows
- Consider solar panels - SDG&E's high rates make solar very attractive