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How many solar panels do you need to live off the grid?

You'll be generating 1.8 kWh per panel per day. To meet the average requirement of 29.33 kWh of electricity per day for your household, then, you'll need 17 solar panels.

southfacesolar.com - How Many Solar Panels Do You Need to Run a House Off the Grid?

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How Many Solar Panels Do You Need to Run a House Off the Grid?

Going off-grid with solar in Arizona is more complicated than installing a grid-tied home solar energy system. You’ll need more solar panels than a grid-tied system as well as plenty of backup power. While we can’t pinpoint exactly how many solar panels and batteries you’ll need to go off grid without discussing your specific energy needs and location, we can give you a better idea of what it takes to run an Arizona off-grid solar home. According to the EIA, American utility users consume an average of 893 kWh of electricity per month. That’s about 29.33 kWh per day. Most residential solar panels can produce between 250 and 400 watts per hour, depending on their size. For simplicity’s sake, let’s say you decide to install 300-watt solar panels and your solar panels receive 6 hours of sunlight per day. You’ll be generating 1.8 kWh per panel per day. To meet the average requirement of 29.33 kWh of electricity per day for your household, then, you’ll need 17 solar panels. Of course, this is just one example. To find out how many solar panels it would take to power your off-grid system, schedule a consultation with SouthFace Solar & Electric.

Backup Batteries & Generators for Off-Grid Solar

Because they are not connected to the electric grid, off-grid solar systems must meet the home’s electricity needs completely. This means they need to have backup power for use at night, on overcast days, and to maintain power if the solar panels malfunction or become damaged. It’s best to have multiple sources of backup power for your off-grid home. A combination of solar batteries and generators will give you plenty of reliable backup power and the peace of mind that comes with it. How much backup power you need for off-grid solar depends heavily on the amount of power you use and the amount of electricity your solar panels generate. SouthFace Solar & Electric can help you make the right solar battery and generator choice for your home.

Is Off-Grid Solar Right for Your Home?

Off-grid solar panels and solar batteries in the Phoenix, Arizona area provide a number of benefits. Off-grid solar is a great option if:

You want to completely eliminate your electric bills

You want full energy independence with zero reliance on the utility

You want to drastically reduce your carbon footprint and live a more sustainable life

You live in a remote area that does not have grid access

If you’re thinking about installing an off-grid solar system in Arizona, our number one piece of advice is to consult with an experienced off-grid solar company. At SouthFace Solar & Electric, we install custom off-grid solar systems in Phoenix and throughout all of Arizona. We can help you understand how off-grid solar works and design the right system for your needs. We’ll walk you through how much an off-grid solar system costs and help you weigh the benefits vs. cost to help you make the best decision for your home. Our team is passionate about solar energy and believes in its power to transform our customers’ lives. Reach out with any questions you have about off-grid solar and we’ll be happy to help.

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Are tiny homes good in winter?

One of the wonderful advantages that separates Tiny House RVs from regular RVs is that you can design them to withstand an extreme cold climate. At Tumbleweed, we've even designed tinies for wintering in Alaska! Below are FIVE techniques that will keep your Tumbleweed toasty, even in freezing temperatures.

tumbleweedhouses.com - Design a Tiny House RV for extreme cold weather

SIPs are another high R-value option for DIYers. These panels are more expensive than traditional framing, but they are extremely energy efficient and save you hours of build time.

2). Splurge for energy efficient windows

As a Certified Green Tiny House builder, we only install energy efficient windows. You may also want to consider sticking with smaller windows in your design. We met one Alaska Tiny House RVer who decided to only have windows on the south facing side of his tiny (because the south side received the most hours of sunlight). It’s good to think ahead about your parking space as well.

3). Design your roof for snow and ice

If your future location receives a lot of snowfall, make sure you design your tiny roof to withstand the load. You may also want to reconsider skylights, as they can leak if not properly installed. You should also read this article on preventing ice dams through your roof design.

4). Prepare your appliances

A few extra cold weather purchases will save your appliances from freezing. Propane heat blankets and fresh water heated hoses are worth the money. Wood stoves will sometimes preform better with a longer chimney pipe that you can install after travel. You should also develop an insulated fresh, grey and black water system if your parking spot is not already set up for cold climates. This may involve heated hoses, french drains, insulating your water spigot, etc.

5). Skirt your Tiny House RV

The coldest part of your Tiny House RV is always going to be the floor. With the Tumbleweed trailer, you will have three inches of insulation in your trailer which is covered with a vapor barrier that adds 3R of insulation. Skirting your trailer is a requirement for extreme cold climates.

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