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Solar Electricity

The lower initial costs and the decreasing price per watt of solar panels has made solar electricity possible for millions of homeowners and small businesses. One innovation in particular is making modern residential and small commercial systems affordable and flexible. Microinverters located on each solar panel have made systems easier to configure and operate. These types of systems can be designed, installed and managed by do-it-yourself or electricians that have limited solar experience. Using lan or Internet based system monitoring makes managing the system easy.



Solar PV modules generate electricity using sunlight. A typical panel generate 250 to 350 watts. Four panels will generate 1000 to 1400 watts of power. Usually 8 to 12 panels comprise a residental system. This number of panels easily fits on most roofs of medium and larger size homes.
Grid Tie means to connect to the local power company wires. Your solar PV system can feed to the grid all day while you get paid by the power company for producing electricity. At night and on cloudy days you use power company generated electricity. Some people add batteries to the system so they have backup power if the power from the electric company goes off during non generating hours.
Off grid means there is no power company in the area. Most of the electricity you consume needs to be used in the day light hours to reduce storage needs for night and cloudy days. You usually add batteries with the system to store some electricity.
Charge controllers monitor battery charging and redirect the panel output to a diversion load, such as a hot water heater, when the batteries do not need charging. There are two types of charge controllers, PWM and MPPT. The main function of a PWM charge controller is to control the voltage coming in batteries. A MPPT charge controller can send control signals to panel aiming systems.
A VRLA battery (valve-regulated lead–acid battery), more commonly known as a sealed battery or maintenance free battery, is a type of lead–acid rechargeable battery. Ventilated or Sealed? Gel or Glass Mat? Sealed are best for sites with low ventilation but work well everywhere. Other features should be compared so you can make the best choice for your system.
Water pumps, pump controllers, hot water load diversion devices, generator starters, relays, light controls and other system devives.

Solar PV Panels and Inverters

The lower cost of solar panels and system components has made solar electricity possible for millions of homeowners and small businesses. One innovation in particular is making modern residential and small commercial systems affordable and flexible. Microinverters located on each solar panel have made systems easier to configure and operate. These types of systems can be designed, installed and managed by do-it-yourself or electricians that have limited solar experience. Using lan or Internet based system monitoring makes managing the system easy.

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