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Surface area needed to power the world with solar?
Dec30

Surface area needed to power the world with solar?

How much surface area would be needed to power the whole world with solar panels? 496,805 Square kilometers or 191,817.483 square miles Just to give you an idea of what this would actually look like, take a look at the image below. This info-graphic shows the cumulative surface area required to power the entire planet with solar in 2030 (678 quadrillion BTU), given that solar panels will have 20% operating efficiencies.  This includes all electrical consumption, down to machinery and...

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Top 10 BIG Businesses Going Solar (Infographic)
Dec12

Top 10 BIG Businesses Going Solar (Infographic)

Agree or disagree: Wal-Mart is a socially-conscious, altruistic corporation that installed 89MW of solar because it was the right thing to do. Let’s put it this way- Walmart wouldn’t install 89 Megawatts of solar (or 3.86 Million 230W solar panels) if it didn’t make financial sense. Wal-Mart now has a greater solar capacity than 38 states combined.  The falling price of PV has allowed companies like Wal-mart to use solar energy to reduce their operating expenses and take advantage of the 30% federal tax credit for renewable energy systems. Wal-Mart isn’t the only corporation that’s caught on.  Some other businesses that are using solar to lower their operating costs include Costco, IKEA, Kohl’s, Apple, Macy’s, Kaiser Permanente, Johnson & Johnson, Volkswagen, Walgreens, Target, Safeway… the list goes on. Vote Solar’s Executive Director Adam Browning explains, “For years, the promise of solar was always ‘just around the corner.’  Well, solar has turned the corner, and found itself on Main Street, USA. These companies – titans of American business – may have vastly different products, business models, and geographic locations, but they all have something in common: they know a good deal when they see one, and they are going solar in a big way.” Very BIG.   Commercial deployment of solar increased about 40% over last year.   Take a look at this infographic....

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Cook local food this Thanksgiving! Infographic
Nov27

Cook local food this Thanksgiving! Infographic

Please go green this Thanksgiving by  purchasing food that’s grown locally. Not only will you be supporting local farmers and businesses, but it’s better for the environment because it uses less energy to transport the food to your Thanksgiving table. Get exclusive Black Friday offers when you sign up for our newsletter.   Just enter your email address to the right where it says “Receive solar news, expert tips, and special discounts!”    ...

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Texas $2 per Watt Rebate?
Nov27

Texas $2 per Watt Rebate?

Coserv’s $2 per Watt Rebate If you’re one of the 141,000 member-owners of the  Coserv Electric Cooperative in Texas and you’re thinking about going solar, you’re smart. You might have heard that this co-op utility offers a $2 per DC Watt rebate on solar generation. $2 per Watt? This rebate means homeowners in Texas can get $2 per DC Watt installed.  Many solar rebates are based on the size of the solar system in AC Watts,  which is a measurement of the system after the electricity has been converted from DC to grid-quality AC power.  A $2/ AC Watt rebate would already be a very strong incentive, but this rebate is in DC, which means more money in your pocket. $2/W DC  >  $2/W AC For example:  you’re installing a 2kW (or 2,000W) grid-tied solar system.  That number “2kW” is based on the sum total of watts in your solar system – we’ll call it eight 250W solar panels. In this case, you would qualify for a rebate of $4,000, given that the funds allocated towards this rebate program haven’t yet been exhausted. Depending on the size of your system, this  rebate your 2 kW (or 2000 Watt) solar system will yield a couple hundred dollars more. This utility rebate program caps off at $5,000 for each system, which is equal to a 2.5kW solar system.  Contact us today for solar design help and while you’re at it, fill out the Coserv solar rebate application form.  All 2013 funds were reserved in early 2013.   Check their website at the beginning of 2014 for any changes to this rebate and get on the list so they can reserve funds for your project.   Rebates are paid out after your solar system is installed and inspected by a Coserv Auditor. On top of this rebate from Coserv, you’ll also qualify for the Federal Tax Credit.   After any state/local/utility rebates have been subtracted (including Coserv’s solar rebate), 30% of this net cost is returned to you in the form of a tax credit that directly reduces the dollar amount you pay on your taxes....

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No CA Rebate without Solar Panel Monitoring?
Nov15

No CA Rebate without Solar Panel Monitoring?

Homeowners using the Enphase Envoy to monitor their solar panel output can qualify for an upfront, lump-sum rebate through California’s Expected Performance-Based Buydown (EPBB). What’s the EPBB Rebate? The Expected Performance-Based Buydown (EPBB) is one of two incentive options offered by the California Solar Initiative (CSI). The EPBB is an upfront rebate for small businesses and homeowners with systems 30kW or less (as opposed to systems greater than 30kW, which would qualify for 5 years of monthly payments through a Performance-Based Incentive).  If you qualify for the EPBB rebate, you’ll get the entire payment at the time of installation. The EPBB rebate is determined mainly by the expected performance of a photovoltaic system, which is based on factors including CEC-AC rating, tilt, orientation, location, and shading. To qualify for the EPBB rebate, you need to get a monitoring system like the Enphase Envoy Communications Gateway to track the output of your solar panels.  With a reporting accuracy of ±5%, Enphase monitoring is sufficient for the EPBB rebate, whereas revenue-grade meters with ±2% would be required for PV systems of 30kW or greater under CSI’s Performance-Based incentive.   Enphase monitoring systems include: Enphase or Siemens Microinverters Envoy Communications GatewayTM Enlighten® web-based monitoring and analysis software For more information about monitoring requirements, visit the CSI Website.   How does Enphase work? The Enphase Envoy is designed for PV systems with Enphase Microinverters, which attach behind each solar panel, turning the DC electricity from each solar panel into usable AC electricity. With each microinverter working independently, Enphase systems are optimized for locations prone to shading from nearby trees and make it easy to add solar panels to your system in the future. Each mircoinverter is connected to the internet with it’s own IP address, so the web-based software Enlighten provides data about your system’s output – whether you’re at home on your PC or using your the Enlighten app your iPhone.   Each microinverter operating independently means you can see the output of individual panels in your array, making troubleshooting issues much easier than a string inverter would. Enphase microinverter systems are recommended for small grid-tied systems, systems with multiple arrays, and systems with potential shading concerns. Benefits of Enphase Systems: Easy installation Design flexibility & scalability Maximum Power Point Tracking (MPPT) Optimized for shading Remote monitoring capability...

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Solar on every U.S. roof? Infographic
Nov07
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