The difference between solar thermal and solar photovoltaic ? Both systems use solar energy capturing solar radiation. But while the solar panels use the sun's energy to heat water for sanitary and hygienic, photovoltaic panels convert sunlight into electricity.
And if the day is cloudy what happens?
In daylight hours, the building uses the energy produced by your solar system, when the light is weak, in a particularly dark and cloudy day or at night, will be the electricity grid provide the necessary energy. So much for the systems connected to the network.
How to become electricity suppliers to ourselves?
To maximize the potential of a photovoltaic you can sell the energy to the GSE (the Electrical Services Manager), making the "net metering", if the plant does not exceed 200 kWp.
According to the power of the system architecture and integration, the GSE to recognize 20 years an incentive per kWh produced, this is the most economic benefit offered by a photovoltaic , not to mention direct savings on electricity bills.
The steps for installing a PV system are:
After an estimate done by a professional which carried out an inspection, will be the way to work.
Return to the GSE and the preliminary draft of the request for connection to the network.
Notification of completion of work at the end of the GSE system.
Request for grant of tariff to the GSE within 60 days from the date of the facility.
GSE approved the tariff notification.
Who offers an installation "turnkey" without having to worry about all the paperwork? See here.
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