Rural electrification

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Rural electrification

Photovoltaic energy installation for an isolated dwelling in Florida

What constitutes a photovoltaic system for a rural home?

520 Wp of power were installed for an average consumption of 2 kWh/day. The installation consists of 4 photovoltaic plates of 130 Wp each, a solar regulator, 12 stationary battery of 24 V each and a 4 kW inverter.

Often, houses and farms in rural areas, have no acces to the grid, being miles away from the nearest connection point. When this occurs, customers don´t usually ask the electric company to extend the power lines to their homes, because, they would have to pay for it, out of their own pockets, costing many thousands of euros.Therefore, they usually choose to utilize a diesel generator to power their appliances. But, fossil fuel prices go up, their availability is decreasing and they are polluting the environment, emitting CO2, causing climate change.

In Spain, we have a privileged geographical position, that allows us to utilize solar energy to the fullest. For the last several years, it´s use is being encouraged and the installations are subsidized.

In this particular case of a rural home, hotel or farm that rely on an electrical generator, electricity can be supplied by an autonomous photovoltaic system. Soliclima has had some customers who, already having a connection to the grid, have requested such an20installation, to avoid being totally dependable on the electric company, but, we strongly advise against it, because this installation is only a good investment when there is no acces to the grid, not to mention that, the level of comfort, of course, is not the same as when there is acces.

The plates, panels or photovoltaic modules are installed, preferebly, on a sun oriented roof, otherwise, on the ground, near the house. Photovoltaic electricity produces direct current, therefore, it´s necessary to integrate with the installation, a device called a UPS or inverter, to provide alternating current used by our home appliances. Batteries are also needed, to store electricity for night use. Finally, it´s a good idea to keep a generator for the times when the weather is not favorable.

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Rural electrification Facilities

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Rural electricity supply

Solar photovoltaic installation in a home isolated from the grid in New Mexico 5 photovoltaic plates of 160 Wp each, were installed in a house without connection to the grid, to generate electricity. The installation also includes a solar regulator and stationary 24 V batteries, to accumulate the energy.

Photovoltaic energy in Arizona

PV installation in an isolated home, lived in year-round, in Arizona A photovoltaic system was requested for a home isolated from the grid, to feed the power consumption of the dwelling. With that in mind, 8 photovoltaic plates of 150 Wp each were installed in a field next to the house, in addition to a solar regulator, batteries and an inverter. The installed capacity is 1.2 kWp for an average consumption of 4.2 kW /day.