Buildings Solar Estimator Results   EnergySage

Published on February 8th, 2014 | by Zachary Shahan

5

New Solar Calculator From EnergySage Is Super Fast & Super Awesome

February 8th, 2014 by  

Originally published on Solar Love.

EnergySage this week launched a new “Instant Solar Estimate” tool. It’s wicked awesome! Definitely the coolest I’ve, and also the quickest.

Of course, the tool doesn’t require much personal information, which might sometimes result in a less-than-perfect estimate. Nonetheless, the EnergySage Instant Solar Estimate (ISE) tool captures some of the key items and includes “sun & weather data, applicable rebates and tax credits, and your roof’s suitability to generate your estimate” just based on the address you put in (and perhaps a little drag of the red and black pin). Additionally, it uses proprietary market price data and “the industry’s leading tools and databases.”

However, there’s something else that really speeds up EnergySage ISE process — it doesn’t ask you for your name, phone number, etc — just what’s needed to estimate your solar costs and savings. The reason is that EnergySage doesn’t use this tool to collect information from you that it can use to sell you solar (as most such tools do, including the ones on this site, off of which we make some of our income). In other words, it’s a purely educational tool. (Of course, the hope is still that you would go through the EnergySage marketplace to get solar.)

EnergySage Instant Estimate Results Page

The report also provides a comparison between outright cash purchase of the estimated solar system vs getting the system through a $0-down solar loan (probably the Admirals Bank solar loan that’s available nationwide, but maybe EnergySage actually has a database of these for different banks and regions). In cases where a solar lease/PPA is available, the report also includes that in the comparison. As you can see in the example above, sent along by someone at EnergySage (and quite different from my results for a home in Florida), the solar lease/PPA option fares much worse in the long term, while the upfront purchase fares the best in the long term but fares the worst (obviously) for the first 5 years or so.

In my Florida test, my electric bill was much higher (thank you, air conditioning!); my monthly and long-term savings were greater; the $0-down loan option (on a ~$500 monthly electric bill estimate) actually ended up costing me more than if I didn’t buy the system; I had no solar leasing/PPA option; and my payback time was 13½ years rather than ~5 years with the upfront cash purchase option. I haven’t paid an electric bill in Florida for about 10 years, so I actually don’t have much of a clue what my bill would actually be today, so I ran the estimate twice, using both $300/month and $500/month. In the $300/month scenario, I didn’t have the $0-down solar loan option, just the cash purchase option. The estimated payback time was also 13½ years, but the 20-year savings were $35,000 rather than $58,000.

Solar Estimator Results   EnergySage


But, anyway, my point here was just to show the variation possible. Go ahead and try out the tool yourself using your best estimates!

“EnergySage’s Instant Estimate feature is a powerful consumer tool,” says CEO and Founder Vikram Aggarwal. “It instantly performs some very complex calculations to provide consumers with property-specific estimates that demonstrate the potential impact of solar power at their particular property as well as its costs. Because it happens outside the sales process, consumers feel comfortable seeking out the information they need to make an informed decision about moving forward and they don’t have to invest much time or effort to get it.” 
 
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About the Author

is tryin' to help society help itself (and other species) one letter at a time. He spends most of his time here on CleanTechnica as its director and chief editor. Otherwise, he's probably enthusiastically fulfilling his duties as the director/editor of EV Obsession, Gas2, Solar Love, Planetsave, or Bikocity; or as president of Important Media. Zach is recognized globally as a solar energy, electric car, energy storage, and wind energy expert. If you would like him to speak at a related conference or event, connect with him via social media: ZacharyShahan.com, .



  • Gwennedd

    It only calculates for American addresses, sigh.

  • TedKidd

    I don’t see how those numbers reconcile.

  • Steeple

    Related but different.

    It seems like these products should almost always be leased if we take the view that the cost/kw will continue to decline in the medium term. Why own something that has a terminal value that will keep declining for the foreseeable future?

  • SecularAnimist

    It doesn’t work for me. When I attempt to submit my data I get an error message: “Forbidden (403). CSRF verification failed. Request aborted.”

    • Say what? That’s weird. I just ran it with about 20 addresses and had no problems. Try again?

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