pv
PV Wikipedia.
Pressure and volume, for example in the ideal gas equation PVnRT. Protecting group, as Pv, Pivaloyl. Perovskite Pv, a mineral. Page view, a metric in web analytics. Semaphore programming, from P and V operations in semaphores restricting processes in a shared environment.
Photovoltaics - Wikipedia.
Solar PV has specific advantages as an energy source: once installed, its operation generates no pollution and no greenhouse gas emissions, it shows simple scalability in respect of power needs and silicon has large availability in the Earth's' crust, although other materials required in PV system manufacture such as silver will eventually constrain further growth in the technology.
Photovoltaic system - Wikipedia.
In urban and suburban areas, photovoltaic arrays are often used on rooftops to supplement power use; often the building will have a connection to the power grid, in which case the energy produced by the PV array can be sold back to the utility in some sort of net metering agreement.

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