2024 Model YearTruck ClassBased on EPA Ratings

GMC Hummer EV Pickup (24-Module) Solar Panel Requirements

Solar panel sizing and battery storage requirements for the 2024 GMC Hummer EV Pickup (24-Module). See its daily energy use, roof space and long-term fuel savings.

Battery Pack
212 kWh
EPA Efficiency
1.5 mi/kWh
EPA Range
329 mi
L2 AC Max
19.2 kW

Solar calculator for the GMC Hummer EV Pickup (24-Module)

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Battery 212 kWh · Efficiency 1.5 mi/kWh · Range 329 mi

Sun 6.08 hrs/day · Power $0.34/kWh · Gas $6.03/gal

3. When do you charge?

Some charging by day, some at night.

About 12,775 miles a year35 miles / day
5 mi35 mi (US average)150 mi
Solar panels
12× 400 W

System size 4.8 kW · your car uses about 8,517 kWh a year

Roof space
246sq ft

About 16% of a typical roof · charging about 2.4 hrs/day

Solar cost
$14,400

4.8 kW × $3.00 per watt · no federal tax credit (ended 2025)

Payback
3.9years vs gas

5 years vs charging from the grid

Your car needs about 23.33 kWh a day. Compared with a similar gas pickup, you avoid about $3,668 of gas a year and 11,923 lb of tailpipe CO₂. Over 20 years (gas prices rising 3% a year), that's about $84,167 saved after paying for the panels.

Prices used for California: electricity $0.34/kWh (EIA average, July 2026) · gasoline $6.03/gal. Gas prices: EIA weekly retail averages, week of Oct 19, 2026 (regions without their own EIA series follow the national trend). How this calculator works

What you'd spend a year to drive 12,775 miles

Fuel or electricity only, in California

Similar gas pickup (21 MPG)$3,668
EV charged from the grid ($0.34/kWh)$2,896
EV charged from your own solar$0 after payback
Charging at night?

Your panels make power during the day. To charge at night from your own solar, you'd need about 14 kWh of home battery (a Tesla Powerwall 3 holds 13.5 kWh). If your utility offers 1:1 net metering, the grid can do this job instead. Do you need a battery?

Solar checklist

4 / 5 passed
  • Fits on your roof246 sq ft

    246 of about 1,500 sq ft on a typical roof (450 or less passes)

  • Enough sunshine6.08 hrs

    California: 6.08 hours of full sun a day (3.5 or more passes)

  • Efficient car1.5 mi/kWh

    GMC Hummer EV Pickup (24-Module): 1.5 miles per kWh (3.0 or more passes)

  • Pays back within 10 years5 yrs

    Panel cost ÷ the grid charging you avoid each year (vs a gas car: 3.9 yrs)

  • Home battery for night charging14 kWh

    About 14 kWh of battery storage is suggested for night charging, unless your utility offers 1:1 net metering (then the grid works like your battery).

  • Federal solar tax creditEnded 2025

    The 30% credit ended for systems installed after Dec 31, 2025. Check state and utility rebates at dsireusa.org.

  • Cuts tailpipe CO₂11,923 lb

    CO₂ avoided each year vs a similar gas vehicle (21 MPG); 2,000 lb or more passes

Notes marked don't count toward the score.

Panels and savings at other daily distances

GMC Hummer EV Pickup (24-Module) in California

Miles a daykWh a dayPanelsRoof spaceGas saved a yearPayback vs gas20-year savings
15 mi106 (2.4 kW)123 sq ft$1,5724.6 yrs$35,043
25 mi16.679 (3.6 kW)185 sq ft$2,6204.1 yrs$59,605
35 miYour choice23.3312 (4.8 kW)246 sq ft$3,6683.9 yrs$84,167
50 mi33.3317 (6.8 kW)349 sq ft$5,2403.9 yrs$120,410
75 mi5026 (10.4 kW)533 sq ft$7,8614 yrs$180,016
100 mi66.6734 (13.6 kW)697 sq ft$10,4813.9 yrs$240,821
1. EPA Ratings

Each car's efficiency comes from its official EPA rating, which already includes charging losses.

2. PVWatts Sun Data

Average peak sun hours for each state from PVWatts v8 data (April 2026), with an 18% allowance for system losses.

3. EIA Prices & Solar Cost

Electricity prices from the EIA (July 2026), gas prices updated weekly from the EIA and AAA, and $3.00 per watt for installed solar (EnergySage and SolarReviews, 2026). How this calculator works

GMC Hummer EV Pickup (24-Module) Solar Panel Sizing by Commute Distance

Based on the GMC Hummer EV Pickup (24-Module)'s rated efficiency of 1.5 mi/kWh and standard 12% Level 2 AC-to-DC onboard conversion losses, here is the estimated solar generation required for different commute distances:

Commute TierDaily MilesDaily Need (kWh)400W PanelsRoof FootprintAnnual Solar CostAnnual Gas Savings
Short Urban Commute20 mi/day13.3 kWh9 Panels (3.6 kW)189 sq ft$418/yr+$1,101/yr
Average US CommuteUS Avg35 mi/day23.3 kWh15 Panels (6.0 kW)315 sq ft$731/yr+$1,927/yr
Suburban Long Commute55 mi/day36.7 kWh23 Panels (9.2 kW)483 sq ft$1152/yr+$3,026/yr
Rideshare / High Mileage80 mi/day53.3 kWh33 Panels (13.2 kW)693 sq ft$1673/yr+$4,403/yr
* Assumptions: 4.98 peak sun hours (US average, PVWatts), 18% solar system losses, EPA efficiency (includes charging losses), Levelized Solar Cost $0.09/kWh, comparable gas vehicle (21 MPG) @ $4.37/gal (AAA US average, Oct 2026).No federal tax credit included — Section 25D ended for systems installed after Dec 31, 2025. State & utility rebates not included.

Solar Inverter Matching

For a typical 15-panel (6.0 kW) array powering the GMC Hummer EV Pickup (24-Module), a 3.8 kW to 5.0 kW AC inverter (such as Enphase IQ8+ microinverters or SolarEdge Energy Hub) prevents clipping while maximizing low-light efficiency.

Home Battery Storage Requirement

Under modern utility billing structures (like California NEM 3.0 or Arizona RCP), daytime solar export credits are discounted by 70–80%. A 10 kWh to 13.5 kWh home battery allows you to store excess daylight solar and charge your Hummer EV Pickup (24-Module) overnight for zero grid cost.

Level 2 EVSE Circuit Sizing

The GMC Hummer EV Pickup (24-Module) accepts up to 19.2 kW on AC Level 2. A hardwired 48-Amp smart EVSE installed on a 60-Amp dedicated circuit breaker provides maximum speed, replenishing 35 miles of range in just 50 minutes.

GMC Hummer EV Pickup (24-Module) Solar Charging Frequently Asked Questions

Engineering and financial answers for prospective and current Hummer EV Pickup (24-Module) owners considering rooftop solar.

Q1:How many solar panels do I need to charge a 2024 GMC Hummer EV Pickup (24-Module)?

To power an average American daily commute of 35 miles in a GMC Hummer EV Pickup (24-Module), you will need approximately 15 modern 400-Watt solar panels (approx. 6.0 kW DC array). This produces roughly 23.3 kWh of clean energy each day, covering your daily driving, including charging losses (which are already part of the EPA rating).

Q2:Can I charge my GMC Hummer EV Pickup (24-Module) with solar panels without a home battery?

Yes, you can charge your GMC Hummer EV Pickup (24-Module) directly during daylight hours if your vehicle is plugged in while the solar array is producing electricity. However, if you commute away from home during the day and charge overnight, you will need a residential battery storage system (such as a 10–13.5 kWh Tesla Powerwall, Enphase IQ Battery, or FranklinWH) or a utility with full 1:1 Net Energy Metering (NEM).

Q3:How much money will solar charging save on a GMC Hummer EV Pickup (24-Module) compared to gasoline?

Charging a GMC Hummer EV Pickup (24-Module) with rooftop solar costs approximately $0.09 per kWh over a 25-year panel lifetime (before any state or utility rebates — the 30% federal Section 25D credit ended for systems installed after 2025), or roughly 5.7 cents per mile. Compared to a similar gasoline vehicle averaging 21 MPG at $4.37/gal, driving 35 miles per day on solar saves approximately $1,927 per year in fuel costs, or about $19,270 over 10 years.

Q4:What size Level 2 home charger is best for the GMC Hummer EV Pickup (24-Module)?

The 2024 GMC Hummer EV Pickup (24-Module) supports an onboard Level 2 AC charging speed of up to 19.2 kW. A standard 48-Amp Level 2 EVSE on a dedicated 60-Amp circuit breaker delivers 11.5 kW, capable of recharging the 212 kWh battery from 20% to 80% in approximately 11.1 hours.