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Off grid solar power system9/4/2023 ![]() ![]() That is the most cost-effective and most efficient solution available today.Renewable solar energy is a well-known energy source due to its sustainability cost-effectiveness. The usual recommendation is to install an On-Grid solar system and invest in a backup generator, in the event of power outages. They are not cost effective and they do not achieve ROI within five years, due to the higher costs involved. Off-grid systems are not recommended for the average Filipino home or business. Then there’s the issue of ongoing maintenance and periodic replacement of the batteries. ![]() Off-Grid systems are costly to install as they require a string inverter, batteries, and charge controller. Ideal setups that require off-grid solar are remote, power-starved areas or locations, the ones that do not have grid power. ![]() They cost about four to five times more than on-grid systems. The high cost of batteries dictates that off-grid solar systems are much more expensive than on-grid systems. The number one advantage and number one benefit of off-grid solar is the fact that it provides power for your loads even when there is no grid power or even in the midst of a city-wide power outage. Professionals and engineers need to conduct a detailed analysis and comprehensive study of your load requirements and your minimal critical needs. Designing an off-grid system with the right solar array size is complex. An off-grid system should be designed appropriately so that it generates sufficient power and have enough battery capacity to meet the requirements of the facility – whether it be a home or a business. In an off-grid setup, you are not on the grid, meaning even if the grid has a power outage, you are not affected. Power is first sent to the batteries, and then to the appliances. Off-Grid systems allow you to store your solar power in batteries for use later on. Off-Grid systems are not connected to the electricity grid and therefore requires storage of power in batteries. You save money and you reduce your carbon footprint, thus saving the environment at the same time. If you want to lower your electric bills and reduce it from 30% to 70%, or even eliminate it and make it a #ZeroBill, then the On-Grid system is the best solution. During power outages, there will be no power from the solar system, because on-grid solar systems are not able to function or generate electricity during a blackout due to safety reasons. On-Grid systems can only generate power when the grid power is available. ROI is typically between 3 to 5 years for the typical average sized 5kWp solar panel in the Philippines of a Filipino homeowner. These are the simplest systems and come highly recommended because the systems pay for themselves by offsetting utility bills. The top three benefits of On-Grid: most efficient system, fastest ROI, and most cost effective to install. When you use more electricity than your solar is producing, then you will start importing from the grid – in other words, you will be consuming electricity from the utility company. Electricity sent to the grid from your solar system can then be used by other consumers on the grid (such as your neighbors). The exported power is paid via credits, which can be used later on. When you produce more power than you consume, the excess or surplus power generated can be exported to the grid using the Net Metering program of the utility company. On-Grid solar panels in the Philippines blend or interconnect solar power with grid power using solar inverters. On-Grid solar panel systems, otherwise known as Grid Tie, are the most common and most widely used by homes and businesses globally.
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