Solar Energy Cost in El Cajon, CA in 2026
Most Solar Energy projects in El Cajon, CA cost between $20,000 and $38,000. The typical price is $27,000.
Labour and materials in El Cajon run about 24% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Panel efficiency and inverter type
- Roof complexity and mounting hardware
- Main panel upgrade if the busbar cannot take the backfeed
- Battery storage, which is priced separately
Usually included
- Panels, inverters and racking
- Design, permitting and interconnection
- Installation and commissioning
Usually extra
- Battery storage
- Roof repair or replacement before install
- Utility interconnection fees in some territories
Unit prices in El Cajon, CA
| Quality tier | Cost per watt |
|---|---|
| Budget | $2.51 |
| Mid-range | $3.43 |
| High-end | $4.80 |
Solar panel installers in El Cajon, CA
Businesses listed on Google near El Cajon, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Semper Solaris
4.8(1,351 reviews)
1805 John Towers Ave, El Cajon, CA 92020
SolarTech
4.7(1,079 reviews)
9410 Bond Ave, El Cajon, CA 92021
E Z Solar & Roofing
4.9(109 reviews)
1076 Broadway, El Cajon, CA 92021
Sunlight Solar Inc
4.5(127 reviews)
1300 N Johnson Ave #104, El Cajon, CA 92020
Jamar Power Systems
4.9(81 reviews)
9830 Prospect Ave Ste D, Santee, CA 92071
Orange Solar
4.9(22 reviews)
270 E Douglas Ave, El Cajon, CA 92020