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It depends on the panel's capacity and what already runs on it. A Level 2 EV charger is a large continuous load, and in desert homes the panel is already working hard against air conditioning for half the year. A load calculation tells you whether your panel can carry it, needs a derate, or needs an upgrade first.
The Desert Context
Home Team Electric has installed EV charging in homes across the Coachella Valley and Morongo Basin since the first wave of EVs arrived in the desert. The question we hear most is not which charger to buy. It is whether the home's electrical system can carry one. In a climate where air conditioning runs six months a year, that question deserves a real answer, not a guess.
A Level 2 EV charger can draw as much sustained current as a central air conditioner. Your panel has to carry both at once on a July night.
Most homeowners charge overnight, which is exactly when desert air conditioning is still pulling hard against 90-degree evenings. The charger and the AC stack on top of each other for hours. That is why the answer comes from a load calculation for your specific home, not from a chart.
Written By
Owner and Founder, Home Team Electric
California C-10 Electrical Contractor License #879507, with 28 years of residential electrical experience serving the Coachella Valley and Morongo Basin.
Last Updated: July 2026
What Decides It
Three things decide the answer, and all three get measured during the evaluation.
For most desert homes adding electric loads, 200-amp service is the practical floor. A 100-amp panel can sometimes carry a charger with a load-management device or a main breaker derate, but air conditioning, a pool pump, and a charger together can approach its limit on a hot afternoon.
A second AC system, a casita, a spa, or a pool pump all claim capacity before the charger arrives. The load calculation adds up what your household actually runs in July, not what a generic chart assumes.
Desert thermal cycling loosens connections and ages breakers faster than mild climates. A panel that is technically big enough but physically tired is not a safe place to land a new continuous load. Condition gets checked, not assumed.
The right answer is not a number off a chart. It is a load calculation for your home, your equipment, and the way your household actually runs in July.
Know the Difference
Here is the honest version of how the answer usually breaks down in desert homes.
Installing a charger on a panel that cannot carry it does not just trip breakers. It cooks the weakest connection in the system, every night.
Stop and Make the Call
Any of these means the system needs attention before it takes on a new continuous load. A certified electrician can tell you exactly where you stand.
What to Expect
The $99 evaluation answers the charger question with measurements, not assumptions. Here is what that looks like.
Every major load in the home gets counted: AC systems, pool and spa equipment, the kitchen, laundry, and anything else that draws hard. The charger gets added on paper before it gets added in copper.
Connection tightness at every terminal, breaker condition, and heat history all get checked. Desert panels age faster, and a tired panel changes the recommendation.
Sometimes that is a straightforward circuit. Sometimes it is a load-management device, a derate, or a panel upgrade first. We walk both paths with you in plain language, and you decide what fits your home.
The work is code-compliant, the city inspection is handled, and the workmanship is backed by the Lifetime Workmanship Guarantee.
Backed by the Work
A service fee covers the visit and a fully stocked truck. Our team includes certified residential specialists, electricians in training, and apprentices, and a certified electrician leads or oversees the work in your home. That standard is built on verified field experience, formal technical education, rigorous testing, and ongoing training (weekly technical instruction and hands-on lab work). Pricing is presented in full and approved before any work begins. Same-day service is available.
Find out what your panel can actually carry.
Book an evaluation with a certified electrician who works desert homes every day.
