Crunch
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That is the only one that would even remotely make sense, however it probably already exists or could be quickly developed by the private sector.
∙$3.9 million grant to develop an energy-efficient solar film for buildings
Only if it was also cost efficient.... without government subsidies to make it so.
Met On Right-of-Way
The 104 kilowatt solar PV system will consist of nearly 600 solar panels covering 8,000 square feet at the Interstate 5 and 205 interchange. The project will generate 28% of the electricity needed to power the interchange’s lights and signage. Cost for the installation is $1.3 million, with the solar array expected to come online in December 2008.
Driving on the ?Solar Highway? : Oregon Builds USA?s First Roadside Solar Energy Project : TreeHugger
State officials caution that the flagship project remains in the early stages. Plans call for private partners and utility companies to use tax credits, grants and other incentives to pay the $20 million price tag, which includes the purchase, installation, operation and maintenance of the panels.
Debate begins on ODOT plan to install up to 17,000 solar panels on I-205 | Oregon Local News - OregonLive.com
☼Will produce 112,000 kWhs annually
http://www.oregonapwa.org/conference/fall09/Presentations/SolarHighway.pdf
HOW LONG DO SOLAR PANELS LAST
Performance from a solar panel will vary but in most cases guaranteed power output life expectancy is between 3 and 25 years. This guaranteed life expectancy rating is usually 80% of the published rating of the Solar panel. Of course this will vary from manufacturer to manufacturer, and as always, you typically get what you pay for. Watch out for those cheap panels made in Pakichinastan.
Solar Tutorial | BatteryStuff.com
Now we have enough info to see if Oregon's solar highway is cost effective.
The out put is 112,000 KwHs per year (this is assuming clear sunny days.... any one here ever been to Oregon?)
Figure a life of 10 years.
Total optimistic out put over 10 years.... 1,120,000 KwHs.
Cost per KwHr = $17.86
Only in Libland is this a good idea.
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