Estimate the solar potential of your home with the solar calculator – pv magazine International
SolarReviews provides personalized solar energy savings and design estimates for your home in just a few clicks, with no utility bills, paywalls, or registration required.
More homeowners are turning to rooftop solar as energy bills and power outages rise. Whether your goals are cost savings, greater independence from the centralized energy grid, mitigating carbon emissions, or all of the above, it’s a good idea to have an estimate of what the solar project would look like. your home before you start collecting quotes.
That’s where the SolarReviews website can help, providing both customer testimonials about installers and a handy solar calculator to estimate system size, output, cost and savings. Based on a few parameters such as your zip code, average monthly bill, power company, direction and pitch of the roof, and the desired percentage of energy covered by solar power, the calculator will generate a size suggested system size and project savings over the life of the system.
“It’s a really open calculator,” said SolarReviews CEO Andy Sendy. photo magazine. “We educate consumers so they can’t get ripped off.” Sendy said there’s no reason interested homeowners shouldn’t have full access to the math of solar power.
The Solar Calculator is regularly updated with new assumptions based on ever-changing electricity rates and available incentives and programs in your utility’s territory.
SolarReviews partners with Genability, which actively feeds the latest utility tariff and net metering structures into the calculator for up-to-date accuracy. It also incorporates energy use profile data from the Energy Information Administration to estimate building energy consumption based on different climate zones across the country.
“It’s the biggest effort any website has ever made to provide a fully accurate estimating tool that isn’t behind any paywall or record wall,” Sendy said.
Once you enter the basic information into the calculator, a wealth of information is provided. It will suggest the number of panels and system capacity needed, the expected payback period, net savings over 25 years, and list any federal, state, and local incentives you can take advantage of. It will also provide advanced metrics such as Net Present Value and Internal Rate of Return.
After the calculation, sliders are available to adjust the numbers for more precision. You can play with shading, utility electricity price inflation over time, discount rate, loan funding rates, and choose between a median price or a custom quote price.
For those interested in battery energy storage, you can select a quote to suit your specifications. The calculator allows users to select a no-battery option, an option that sizes the battery to store excess energy stored during the day, an option that sizes the batteries to cover overnight electricity consumption during a typical day, or the largest option, which allows key devices to operate for a given duration during a network outage.
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