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What is solar PV and how does it work?

by: admin
Published Date: 02.17.2022

Purchasing a solar system is a wise decision for homes. Solar panels and photovoltaic (PV) systems of the newest generation are simple to install, manage, run, and they provide long-term efficiency with energy savings. According to recent research, multifarity’s day in the net-zero sun may eventually be here. Multifamily currently accounts for 58 percent of all net-zero units in the United States that are built, under construction, or in the design process, according to NZEC’s latest report.

What is solar PV and how does it work?

The term ‘Photovoltaics’ refers to the process of transforming light into electricity. Solar PV systems turn sunlight into electrical energy through the utilization of cells. When sunlight strikes the PV cells, electrons flow, resulting in a direct electrical current. The current then passes to the inverters, which changes the direct current power into alternating current, which is usable energy for the house. The entire power generated by the panels is transferred to a meter, which is subsequently assigned to each homeowner’s account.

Solar PV panels

A photovoltaic (PV) panel, also known as a module, is a device made up of interconnected unique cells that create an electric current when exposed to sunlight.


The solar inverter is the brain of the solar PV system and is one of the most crucial components. It transforms alternating current (AC) into direct current (DC) (AC).

Generation Meter

The generation meter is where we can see how much power the system is producing.

Export Limiters

The exporting of excess electricity is capped or entirely stopped by the export limiter. The consumer unit has an export limiter installed next to it.

Monitoring of Energy

Monitoring the system is a useful technique to ensure that it is operating properly. Monitoring may be as easy as recording the PV system’s output once a month and comparing it to the predicted output.

Which way should solar panels be oriented?

If we want to save money by building our own solar power system, it is critical that we set aside enough time to thoroughly examine and identify the best position for our solar panels. The best direction for the solar panels to face is midway between south and west. Throughout the day, the panels will get the most sunshine in this area. Surface-mounted panels or pole-mounted panels could be the best choice if the roof does not face the appropriate direction. To counteract the influence of direction, we can modify the angle of inclination of the panels to a specific degree.

Understanding Virtual net energy metering

Virtual net metering (VNM) is a community solar bill crediting scheme. It refers to when solar panels are erected externally and shared among customers rather than being used on-site. In this situation, we’ll get credits on our electricity bills for the surplus energy generated by the solar garden share. The property owner divides the monthly solar energy among the participant accounts according to predefined percentages. The utility assigns solar credits directly to the utility bills of numerous account holders using those percent allocations.

Benefits to the environment are one of the main reasons to go solar

According to the Environmental Protection Agency (EPA), the electric sector is responsible for 27% of all carbon emissions in the United States. Carbon emissions are produced by fossil-fuel-fired power plants, which also contribute to air pollutants in regions around power plants.

One can lower their own personal impact on the environment by installing solar. When we install a solar panel system on our home, we may avoid buying carbon-emitting energy from the grid and instead draw power directly from the solar panels. Even if we aren’t actively consuming solar energy, we are reducing the demand for carbon-emitting generating by sending solar energy into the grid. At the end of the day, a typical household solar panel system will reduce carbon emissions by three to four tons per year.

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