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Home Solar Energy: An Ideal Option When Soil Conditions Aren't Ideal For Geothermal


When soil conditions aren’t suited for geothermal energy, home solar
energy may be the right choice for your home. Knowing about solar panels,
how they work and why geothermal may not be effective for your home can
help you make the decision.

When geothermal won’t work

Rocky soil, which is prominent in North Carolina, may make geothermal
energy equipment difficult and pricey to install under your home. That
soil also can make energy transfer inefficient once equipment is running, making
solar panel benefits attractive.

Solar panel types

Three common types of solar cells make up the solar panels that can provide
energy to your home.

  1. Monocrystalline cells: Made from a thin slice cut from a single silicon
    crystal. These cells have the highest efficiency rating, but take the
    most amount of energy to manufacture.
  2. Polycrystalline cells: Made from thin wafers of silicon. These cells are
    cut from many crystals put together rather than one large crystal. While
    less efficient than monocrystalline, they can be fitted into a rectangular
    solar panel frame efficiently.
  3. Thin film cells: Made by depositing thin films of silicon onto another
    material. Efficiency is lower than crystalline cells, but thin film doesn’t
    need intercell connections and can be crafted onto a flexible surface.

How solar panels work

Solar panels convert sunlight into home solar energy. North Carolina is
well suited for this type of energy due to the regular sunny weather in
the area. Home southern exposure is best. When sunlight hits the cell,
some of the light is absorbed into the semiconductive material of the
cells. The energy frees electrons, allowing them to flow freely and be
directed as a current of electricity.

Solar panel lifespan

The lifespan of solar cells is estimated around 30 years, and the cells
will produce about 17 times the energy used to manufacture them, according to a
2008 study by the Oregon Office of Innovative Partnerships and Alternative Energy.

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