Autonomy scoreLocal analysis
Las Vegas Home autonomy potential in Las Vegas (89101)
The strongest asset here is Low-carbon heating. It is not, however, what pays your home the most: that is Food growing.
Annual potential, standard home
$2,235
Four items added up — each one is a separate decision, in whatever order suits you.
Overall score
50 /100
Growing
Las Vegas: 50/100 achievable autonomy with a recommended setup.
Solid potential — real, achievable gains in energy, water & food autonomy await.
What you could reach in Las Vegas
A typical home in Las Vegas can reach about 50% self-sufficiency with a right-sized solar, storage, rainwater and low-carbon heating setup — most of it backed by federal tax credits. The figure sharpens once you enter your own home.
- ≈181 days a year off the grid — keep the fridge, lights, router and heating pump running straight from your own roof and battery, right through a winter outage.
- Rainwater self-reliance — ≈12,495 L harvested from a 100 m² roof covers the garden and toilet flushing, so hosepipe bans stop mattering.
- A real harvest — ≈320 kg of fresh vegetables over a ≈303-day frost-free season takes a genuine bite out of the weekly shop.
- A warm, low-bill winter — insulation plus a right-sized heat pump turns the local climate into low-carbon comfort and shields you from gas-price spikes.
From the most to the least profitable, here
What you could gain
-
Food growing70/100
~$896/yr
off the weekly shop — up to ≈320 kg/yr of fresh vegetables from 100 m²
The detail
Realistic outlook
With about 303 frost-free days, a household garden in Las Vegas supports up to three planting rotations a year.
Watch-outs
A productive garden needs space, decent soil and a few hours a week — start small and scale up.
Incentives & tips
USDA People's Garden and many municipal community-garden and composting programs support home food production.
Frost-free growing season : ≈ 303 days — Source: PVGIS, hourly ERA5 temperatures 2005–2015 (frost dates).
-
Solar energy43/100
~$710/yr
less electricity with 3 kWp on your roof (≈5,463 kWh/yr)
The detail
Realistic outlook
At 1,821 kWh/kWp per year, Las Vegas offers moderate potential for residential rooftop solar.
Watch-outs
Roof orientation, shading and local interconnection rules affect real output — get a site assessment first.
Incentives & tips
Federal Residential Clean Energy Credit (IRA §25D): 30% tax credit on solar PV and battery storage through 2032.
Annual PV yield : 1,821 kWh/kWp — Source: PVGIS 5.2 (EU Joint Research Centre), optimal tilt and local horizon.
-
Low-carbon heating90/100
~$579/yr
less heating after insulation + heat pump (−3,510 kWh/yr on 90 m², electric heating)
The detail
Realistic outlook
1,140 heating-degree-days: a high-efficiency heat pump is the lowest-carbon way to keep Las Vegas warm.
Watch-outs
A heat pump only pays off in a well-insulated envelope — insulate first, then size the unit.
Incentives & tips
Energy Efficient Home Improvement Credit (§25C): up to $2,000/yr for heat pumps plus credits for insulation; HEEHRA state rebates may stack.
Heating-degree-days (base 18°C) : ≈ 1,140 HDD — Source: PVGIS, hourly ERA5 temperatures 2005–2015 (base 18°C).
-
Rainwater20/100
~$50/yr
less mains water with a 5,000 L tank (≈12,495 L/yr harvestable from a 100 m² roof)
The detail
Realistic outlook
With only 147 mm of rain a year, a tank in Las Vegas catches the few storms that come — useful for the garden, but a small contribution.
Watch-outs
Harvested rain is non-potable by default — keep it separate from drinking water and add a first-flush diverter.
Incentives & tips
Rainwater incentives vary by state — e.g. Texas sales-tax exemption on harvesting equipment, local rebates in Arizona. Check state and city programs.
Average annual rainfall : 147 mm — Source: NASA POWER, MERRA-2 corrected precipitation.
$2,235
Ranked by annual value. The order of the works themselves does not change: insulate before you equip.
Estimate for Las Vegas, based on the area's climate and geographic data. Run the full simulation to get your home's real autonomy score — a personalized result and a detailed plan, in 3 minutes.
Everything is free — score, full report and action plan. No card, no commitment.
Estimate your solar system in Las Vegas
Estimate your solar system in Las Vegas
Based on a local yield of 1,821 kWh/kWp per year.
Indicative estimate (production = kWp × local yield). Real output depends on roof orientation, shading and your self-consumption rate.
Climate month by month in Las Vegas
In Las Vegas, a 3 kWp array pitched at 35° and facing 3° east of south — the optimum PVGIS computes for this location — produces about 5,463 kWh a year. May is the strongest month, at about 516 kWh, and December the weakest, at 363 kWh. November to February still bring 29% of the year's output, so the system stays useful all winter and a battery pays its way year-round.
The heating season runs from November to February: 4 months average below 59 °F (15 °C), and December is the coldest at 45 °F (7.4 °C). In a typical year the coldest hours drop to about 32 °F (0 °C), the point a heat pump has to be sized for: mild conditions, the easiest case for any heat pump.
Frost is possible until early February and returns from early December, which leaves about 303 frost-free days; tender crops such as tomatoes, beans and squash go outside once early February is past. Expect about 142 days above 86 °F (30 °C): shade netting and mulch matter as much as frost protection, and the water tank is drawn hardest in July.
With a mean wind of 5 mph (2.2 m/s) at 10 m, a small rooftop turbine would produce little in Las Vegas; the roof is better used for solar. The southern horizon is open (at most 2.3°) in PVGIS's elevation model, so low winter sun reaches roofs unless nearby buildings block it.
Compared with Los Angeles, 228 miles away, Las Vegas has 6% more solar yield, 61 fewer frost-free days and a heating need 31% higher. Compared with Phoenix, 256 miles away, Las Vegas has 1% more solar yield, 26 fewer frost-free days and a heating need 70% higher.
| Month | Mean temperature | Solar output, 3 kWp |
|---|---|---|
| January | 47 °F (8.4 °C) | 402 kWh |
| February | 51 °F (10.6 °C) | 411 kWh |
| March | 59 °F (15.1 °C) | 507 kWh |
| April | 66 °F (19.0 °C) | 513 kWh |
| May | 76 °F (24.3 °C) | 516 kWh |
| June | 86 °F (30.1 °C) | 486 kWh |
| July | 92 °F (33.4 °C) | 447 kWh |
| August | 89 °F (31.8 °C) | 474 kWh |
| September | 82 °F (27.7 °C) | 462 kWh |
| October | 68 °F (20.1 °C) | 465 kWh |
| November | 56 °F (13.5 °C) | 417 kWh |
| December | 45 °F (7.4 °C) | 363 kWh |
Frequently asked questions — Las Vegas
How much could solar panels generate in Las Vegas?
A well-oriented 3 kWp rooftop array in Las Vegas produces about 5,463 kWh a year, worth roughly $710 in self-consumption. A 6 kWp system reaches about 10,926 kWh/yr where the roof allows. Federal Residential Clean Energy Credit (IRA §25D): 30% tax credit on solar PV and battery storage through 2032.
Is rainwater harvesting worth it in Las Vegas?
Yes. A 60 m² roof in Las Vegas can capture about 7,497 litres a year for the garden, WC and washing machine. Keep harvested rain separate from drinking water and fit a first-flush diverter. Rainwater incentives vary by state — e.g. Texas sales-tax exemption on harvesting equipment, local rebates in Arizona. Check state and city programs.
What grants help with low-carbon heating in Las Vegas?
Energy Efficient Home Improvement Credit (§25C): up to $2,000/yr for heat pumps plus credits for insulation; HEEHRA state rebates may stack. Insulate first — a heat pump only pays off in a well-insulated home (1,140 heating-degree-days here), so prioritise the roof and walls before sizing the unit.
How much food can a garden grow in Las Vegas?
With about 303 frost-free days, a 100 m² garden in Las Vegas yields roughly 320 kg of fresh fruit and vegetables a year — a partial share of a household's needs, not full calorie autonomy. USDA People's Garden and many municipal community-garden and composting programs support home food production.
When is the last frost in Las Vegas?
Frost is possible until early February and returns from early December, which leaves about 303 frost-free days; tender crops such as tomatoes, beans and squash go outside once early February is past.
How much does solar produce in winter in Las Vegas?
December is the weakest month: a 3 kWp array makes about 363 kWh, against 516 kWh in May. November to February add up to 29% of the yearly total.
How this score is calculated
Public climate data (PVGIS with NREL's NSRDB radiation) weighted by how vital each dimension is. The score sharpens once you enter your own home. See the full methodology.
Sources
- Solar energy — Source: PVGIS 5.2 (EU Joint Research Centre), optimal tilt and local horizon.
- Rainwater — Source: NASA POWER, MERRA-2 corrected precipitation.
- Food growing — Source: PVGIS, hourly ERA5 temperatures 2005–2015 (frost dates).
- Low-carbon heating — Source: PVGIS, hourly ERA5 temperatures 2005–2015 (base 18°C).
Already ran your simulation?
your score is saved and re-scored every time your home changes. No credit card required.