Do You Actually Need
a Panel Upgrade?
Most EV charger installers say yes. 80% of the time, they're wrong.
ChargeRight runs the same math your electrician uses — for $12.99 instead of $500.
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Just Bought a Used EV?
Over 31,000 used EVs were sold last month. Most buyers have no idea if their panel can handle a Level 2 charger.
A $12.99 NEC 220.82 assessment tells you exactly what you need — before you call an electrician.
Check Your Panel — $12.99A Professional Assessment You Can Trust
Designed for homeowners who want clear answers before committing to electrical work.
NEC 220.82 Method
We use the Optional Method load calculation trusted by licensed electricians for residential panels.
Clear, Shareable Report
Get a PDF with your load breakdown, safe capacity, and charger sizing guidance.
Built for Homeowners
Straight answers without the sales pressure—use it to plan, budget, or confirm quotes.
How It Works
Upload Your Panel Photo
Snap a photo of your electrical panel for AI-powered analysis
We Calculate Your True Load
Professional electrical load calculation using NEC demand factors
Get Your PDF Report
Professional report showing your capacity and recommendations
See It in Action
Full walkthrough: calculator → panel photo → NEC 220.82 report
What You Get
Upload a Panel Photo
Snap a picture of your electrical panel
AI Reads Your Panel
NEC 220.82 load calculation in minutes
Get a PDF Report
Upgrade needed or not — clear answer
Save $300–$2,000
Know before you hire an electrician
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How ChargeRight Compares
Independent assessment vs. installation brokers vs. local electricians.
| Feature | ChargeRight | Qmerit | Treehouse | Local Electrician |
|---|---|---|---|---|
| Assessment Cost | $12.99 | $149 deposit | Free estimate | $150–$300 |
| Time to Answer | Minutes | Days–weeks | 48 hours | Days–weeks |
| Shows Load Calculation Math | Yes (NEC 220.82) | No | No | Sometimes |
| Independent (No Install Upsell) | Yes | No | No | Varies |
| PDF Report | Yes | No | No | Varies |
| NEC Code Compliant | 220.82 Optional Method | Unspecified | Unspecified | Varies |
| Master Electrician Review | Yes (IBEW 369) | Varies by contractor | Licensed electricians | Varies |
Skip the $300 Electrician Service Call
ChargeRight uses the same NEC 220.82 load calculation method that licensed electricians use. The difference? Results in minutes for $12.99, not weeks for $300.
$12.99
ChargeRight Assessment
Results in minutes. NEC 220.82 compliant.
$150–$300
Electrician Service Call
Wait days to weeks. Quality varies.
Not sure what a panel upgrade actually costs? We break down the 4 levels of electrical work so you know exactly what you need.
Frequently Asked Questions
Do I need a panel upgrade for an EV charger?
Most homeowners with 200A panels do NOT need a panel upgrade. A NEC 220.82 load calculation typically shows 40-60 amps of spare capacity — more than enough for a Level 2 charger. Based on NEC 220.82 calculations across typical US homes (median 2,000 sqft, gas heat, standard appliance mix), approximately 80% have sufficient spare capacity for a 40A Level 2 charger without a panel upgrade. Only about 20% of homes actually require panel work. Our $12.99 assessment shows you the exact math before you commit to a $3,000-$5,000 upgrade.
How much does EV charger installation cost?
EV charger installation costs $500-$6,000 depending on what you actually need. Most homeowners only need a circuit addition ($500-$1,500). A full service upgrade runs $2,000-$5,000+. The key is knowing which level applies to your home — a $12.99 load calculation can save you thousands by proving you don't need the expensive option.
What size EV charger do I need?
A 32A charger adds ~25 miles of range per hour and is plenty for most drivers. You don't necessarily need a 48A charger — a smaller charger may let you skip a panel upgrade while still fully charging overnight. Our calculator recommends the right size based on your driving habits and panel capacity.
Is this NEC compliant?
Yes. We use NEC 220.82 (the Optional Method), the industry-standard calculation used by licensed electricians. We also compare against NEC 220.83 and the Standard Method. Final installation should always be verified by a licensed electrician per local code requirements.
Why do you use NEC 220.82 instead of other methods?
NEC 220.82 is the industry-standard Optional Method for residential load calculations. It applies realistic demand factors (40% for loads over 10kVA) based on the fact that not all appliances run simultaneously. Other methods like the Standard Method (Part III) are more conservative, while 220.83 is specifically for adding loads to existing dwellings. We show all methods in your results for comparison.
How does the 2026 NEC affect EV charger installations?
The 2026 NEC (effective in jurisdictions adopting it) makes significant changes: lighting load reduced from 3 to 2 VA/sqft, first demand tier reduced from 10kVA to 8kVA, and critically, EV chargers must now be calculated at 100% with no demand factor allowed. We include a 2026 preview in our comparison so you can plan ahead.
What's the difference between optional and standard NEC methods?
The Optional Method (220.82) applies a blanket 40% demand factor to loads over 10kVA, resulting in lower calculated loads. The Standard Method (Part III) applies demand factors to individual load categories and produces higher, more conservative results. For most residential EV assessments, 220.82 is appropriate and widely accepted by electricians and inspectors.
What do I receive with the assessment?
A clear PDF report with your load breakdown, recommended charger size, and next-step guidance you can share with an electrician.
How do you handle my data?
We only use your inputs to generate the report. We don’t sell your data, and you can contact us to remove it at any time.
Is ChargeRight an electrical contractor or electrician service?
No. ChargeRight is an online assessment tool that runs NEC 220.82 load calculations. We provide a professional report you can share with YOUR local electrician. We don’t do installations or electrical work — we help you know what you need before you call a contractor.
How much does ChargeRight cost compared to an electrician or Qmerit?
ChargeRight costs $12.99 for a full NEC 220.82 panel assessment with AI analysis and a professional PDF report. Compare this to a $150–$300 electrician service call or a $3,000–$6,000 installation quote from a referral network like Qmerit. You could save $2,000–$5,000 by discovering you don’t need a panel upgrade.
What You Receive
A professional PDF you can use to plan upgrades or share with your electrician.
- Load breakdown by category and demand factors
- Safe panel capacity and headroom summary
- Charger size recommendation tailored to your inputs
- Clear next steps for quotes and installation
Sample Report
How the NEC 220.82 Method Works
We follow the Optional Method used by electricians to estimate residential load.
1. Gather Loads
Square footage, major appliances, HVAC, water heater, and EV charging needs.
2. Apply Demand Factors
Apply NEC demand factors to reflect realistic usage and diversity.
3. Compare Capacity
Compare calculated load to safe panel capacity for a clear go/no‑go signal.
Same loads, two methods — watch the bands thin or stay thick. That difference is $3,000.
Watch the NEC 220.82 Method Explained
Want the full step-by-step? Read our detailed NEC 220.82 walkthrough with real numbers.
Know Your Panel Capacity. Get Started Today.
$12.99 for the same math your electrician charges $300+ for.
Results in minutes · 30-day money-back guarantee · PDF report included