Homebuyer’s Guide: Picking the Right Home for Solar Panels


Are you in the market for a brand new dwelling? If you propose on putting in photo voltaic panels, it’s clever to think about the solar publicity of a house earlier than you resolve to purchase. If it isn’t properly suited for a solar energy system, it may be tough to enhance its photo voltaic potential. Some hurdles are comparatively straightforward to beat, however not all of them.

Often, you’ll be able to largely decide the photo voltaic potential from the actual property itemizing and free satellite tv for pc photos. So let’s discover what you have to take into account when procuring for a solar-suitable dwelling.

Shade Reduces Solar Energy Output

Shade and photo voltaic panels usually are not an excellent mixture as a result of photo voltaic vitality depends on sunshine to provide electrical energy. Therefore, one in all the most crucial elements in a well-performing photo voltaic system is little or no shading on the roof.

Slightly early morning or late afternoon shade received’t considerably impression your solar energy manufacturing. However, if there may be loads of shade between about 10 a.m. and a pair of p.m., this may harm the return on funding of your photo voltaic panel system. Buildings, bushes, and architectural options on the south aspect of the dwelling can solid shade at mid-day, the optimum time to generate vitality.

In some instances, you may have the ability to trim a tree department or two to scale back shading dramatically. Sometimes, putting in photo voltaic panels on an connected or indifferent storage is perhaps attainable as a substitute.

Because the lifespan of a photo voltaic panel system is 25 to 30 years, it’s additionally important to think about the bushes you plant round your property as a result of they will ultimately solid shade in your photo voltaic system. Vegetation on the north aspect of the home or bushes that don’t develop tall sufficient to shade the roof won’t be problematic.

Optimal Roof Orientation

A south-facing, unshaded roof is good. You need your photo voltaic panels dealing with south to have the biggest utility invoice financial savings and the highest return on funding. If your roof is oriented to face east or west, your system will produce about 20% much less electrical energy than a south-oriented roof.

East-facing photo voltaic panels will generate extra energy in the morning, whereas west-facing panels can have increased afternoon manufacturing. To make up for this, you possibly can set up a number of further photo voltaic panels when you’ve got ample house, however this may enhance the price of the solar energy system. If the roof faces east and is partly shaded, it’s possible you’ll want to think about different choices, like a storage roof or floor mount.

The greatest option to rapidly decide the roof’s orientation is by utilizing satellite tv for pc imagery, akin to Google Earth.

Available Roof Space for Solar Panels

The greatest solar-suitable dwelling can have sufficient roof house to provide 100% of your family electrical energy. However, it may be difficult to anticipate the electrical energy payments when shopping for a brand new dwelling. If the home has an electrical water heater, vary, and heating system, it would possible use extra electrical energy than houses with gasoline home equipment. If attainable, receive a 12 months of electrical energy payments for the home earlier than buying it to get acquainted with its vitality consumption.

The common dwelling wants about 19 to 23 photo voltaic panels to provide 100% of the dwelling’s electrical energy. That equates to about 335 to 405 sq. ft of roof house. Of course, this determine can range a bit relying on the effectivity of the photo voltaic panels and shading.

If a house has skylights or an advanced roofline, it is perhaps tough to seek out 350 sq. ft of obtainable house. Architectural options, akin to dormers, can shade photo voltaic panels for a part of the day, reducing your vitality manufacturing.

One option to partially make up for that is to make use of high-efficiency photo voltaic panels, akin to SunPower.

Sufficient Electrical Panel Capacity

The dwelling electrical panel distributes electrical energy from the panel to the hundreds round the dwelling. Typically, new houses don’t want {an electrical} panel improve earlier than going photo voltaic. However, if there may be an previous electrical panel or there isn’t ample amperage for photo voltaic electrical energy, you have to to improve the electrical panel.

Most houses want a 200-amp panel at least, and upgrading the electrical panel can add $1,000 to $3,000 to the photo voltaic set up price.

Read this : Cost of Solar Panels in 2022

Home Energy Efficiency

Before putting in photo voltaic panels, it’s essential to look at whether or not there are straightforward methods to scale back dwelling vitality consumption. For instance, putting in a low-flow showerhead will save each vitality and water. Check lighting fixtures in a brand new dwelling to make sure they aren’t incandescent bulbs and improve to energy-efficient LED lightbulbs. Use pure air flow when attainable to lower the use of air-con and wash garments in chilly water.

Assessing a Home’s Solar Potential

If having a house photo voltaic vitality system is vital to you, it’s a good suggestion to start assessing the photo voltaic potential of a property from the actual property itemizing earlier than stopping by for a exhibiting. You’ll want to think about how a lot shade the roof will get, as shade will have an effect on photo voltaic panels’ vitality manufacturing. You’ll additionally need to be certain that there may be sufficient roof house to generate most of your electrical energy; skylights and different architectural options could cut back your power-generating house. And if attainable, receive at the least a 12 months of electrical energy payments to get a way of how a lot energy the dwelling makes use of that will help you decide if the roof is large enough to provide all of your electrical energy.


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