Costco members will have a choice of 880W, 2300W, 3680W or 5060W ready-to-install kits, with prices ranging from around $3,600 upwards to around $18,000. The solar kits are grid-tied systems that include Grape Solar panels, inverters, and racking systems that are ready to install onto the roofs of homes and other structures. Grape Solar says the kits are designed to be expandable, so customers can start small and grow their system over time if they wish. In order to facilitate installation, Grape Solar has developed a network of over 5,000 installers who will be available to provide locally based customer support. According to Grape Solar, it launched a test program in several markets starting in July of 2010. Customer response was apparently positive, so the program was expanded to include other warehouses in high-demand solar markets. Once the products are available on-line, they can be ordered and delivered to a buyers home in just a few days.
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Sorry, But Your SolarCity Solar Panel Kit Isn’t Saving The World (SCTY)

And while module prices will continue to decline for both rooftop and utility-scale systems, SolarCity Corporation will be hard-pressed to drop its labor costs on tiny solar panel kits to the same levels as those of a sizable solar farm. There’s a place for residential systems, and rooftop solar panel kits offer an unprecedented opportunity for gridless electricity generation anywhere the sun shines. But if you think SolarCity Corporation is on the cusp of changing our energy infrastructure, you’re better off giving credit to utilities going green.
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