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Selling Excess Solar Energy to the Grid More Profitable than Battery Storage - PHILERGY German Solar

PHILERGY German Solar for homes and businesses - Switzerland's Best Selling Panel Megasol - High quality installer for solar power systems and top rated panel packages for residential, commercial and industrial roofs in the Philippines

Metro Manila, Philippines - With solar energy system components getting more affordable each year, more and more are looking into generating their own electricity from the sun. Using solar energy during the day remains the optimal economic approach, as the high repeating expense of procuring and using a battery to store excess energy remains inferior to selling the excess energy back to the grid.


A study at Finland's Lappeenranta-Lahti University of Technology (LUT) has concluded that the expense of residential battery systems means they are less profitable than exporting unused electricity generated by household solar panels to the grid.


The study concluded that the most valuable use of solar electricity was for self consumption, as it avoids the taxes and grid charges associated with each kilowatt-hour of network electricity, as well as the wholesale cost of the energy. [source] Even if batteries increase the self consumption capacity of a building, the repeating costs of replacing batteries outweigh the benefits they bring.


“Many still think batteries are the best, or even a necessary solution for deriving a profit from self-produced electricity,” said Jero Ahola, LUT professor of energy efficiency in electricity-driven systems. “However, current battery prices rarely make the investment profitable.”


In the Philippines, investing in a solar system guarantees a secured payback per year of >15% IRR and a return on your investment (ROI) between 4-7 years. A solar battery decreases your investment case remarkably with an ROI of up to 15 years. Since you have to replace the batteries after 8-12 years, your investment most likely won’t have a return at all.


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PHILERGY German Solar Philippines is your reliable, high quality solar energy installer, solar power system, and solar panel supplier in the Philippines with German-made solar equipment combined with experienced German Solar engineering. All installations come with up to 25 years warranty for homes and businesses, and options for flexible solar financing without collateral and additional fees. We are the nation’s top solar company with headquarters, office and showroom in Manila, Philippines with German management and German head solar engineers setting top of the line solar standards. All our solar energy systems are customized according to every client's needs via free expert solar consultation and professional onsite analysis, and are installed by trained teams that are headed by at least 1 German engineer with over 20 years of solar experience.

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