U.S. Department of Energy Energy Efficiency and Renewable Energy

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Q.

What is a good rule of thumb installed price to use when planning a solar PV project? -James

Wed, 07/17/2013 Read Answer
Q.

Are there are any "universal" lessons around Balance of System costs that the SunShot program has recognized, and that local jurisdictions can take to heart? -Craig

Wed, 07/03/2013 Read Answer
Q.

Are the production based incentives in WA State subject to federal income tax? -Jim

Thu, 05/23/2013 Read Answer
Q.

Do you know of a report or available data sets that shows U.S. electric utilities and their percentage of generated and/or purchased renewable energy/solar for 2012?

Tue, 05/14/2013 Read Answer
Q.

If I adjusted the tilt to maintain a 90 degree angle to the sun, what would be the annual % solar gain?

Fri, 05/10/2013 Read Answer
Q.

I have not found any solar energy residential programs available to residents in the state of New Mexico. Why aren't there any solar energy residential programs available in the state of New Mexico? -Danny

Wed, 05/01/2013 Read Answer
Q.

I had recently submitted a proposal to dramatically raise the temperature and efficiency of CSP generation by using liquid aluminum as the solar fluid. Is anyone doing anything in this area? Who, and with what results to date? -Edan

Fri, 04/26/2013 Read Answer
Q.

Are there any solar panels that have passed hurricane impact or bomb blast tests? -Tony

Mon, 04/15/2013 Read Answer
Q.

Why can't people in Arizona participate in Solar Mosaic or similar crowd funding options for solar?

Tue, 03/05/2013 Read Answer
Q.

What are the environmental benefits of using solar power as a main energy source?

Thu, 02/28/2013 Read Answer
Q.

Can any residential rental property qualify for the Federal Business Energy Tax Credit?

Fri, 02/22/2013 Read Answer
Q.

What is the maximum output we could expect from our solar install?

Thu, 02/14/2013 Read Answer
Q.

Are solar generators a viable alternative to propane and gasoline generators? After hurricane Sandy I'm seriously considering investing in a generator, but I have concerns about safety. I'd be looking to power my well pump, my oil burner and a refrigerator. -Laura

Mon, 11/05/2012 Read Answer
Q.

What fundamental roof information should I get from my municipal facility managers in preparation for a solar PPA? -Todd

Mon, 11/05/2012 Read Answer
Q.

Are solar lights a viable option in my small town?

Fri, 10/05/2012 Read Answer
Q.

I am looking for information regarding the current installed solar capactiy listed by state. I need this information so I can figure out what percentage of a state's current energy portfoilio is coming from solar. -Chip
 

Wed, 10/03/2012 Read Answer
Q.

Is there a federal law that requires utilities to buy back renewable electricity? Why do some electric coops in AL, TN refuse to buy it back and can they do that? Is there a minimum price per kwh they have to pay? I thought coops were supposed to help people. They aren't regulated by the PSC.

Tue, 09/04/2012 Read Answer
Q.

What is the levelized cost of the Ivanpah project? - John

Tue, 09/04/2012 Read Answer
Q.

  1. Why is Solar Energy expensive?
  2. Who manipulates the price/cost of solar energy?
  3. Do the oil companies have a hand in this manipulation?
    -Alberto Carlos

Tue, 09/04/2012 Read Answer
Q.

If the local government entities will not take the initiative to organize and execute Solar Initiatives is there any technical support or guidance available for a qualified consortium of community development organizations wanting to implement solar solutions? - Robin

Mon, 08/27/2012 Read Answer
Q.

With all of the surface area of wind turbines for the base, turbine, and blades, why is it not considered to cover them with PV installations? - Glen

Mon, 08/27/2012 Read Answer
Q.

Our community just added a dozen 240 watt panels to our courthouse annex.  I was planning on 240 watt max from the panels, but the inverters are of a lower wattage, 200.  Is this common across all applications?  

Mon, 07/30/2012 Read Answer
Q.

How do other communities regulate large-scale solar installations? 

Mon, 07/30/2012 Read Answer
Q.

What do other communities do to mitigate the effects of glare from solar panels on surrounding properties?

Mon, 07/30/2012 Read Answer
Q.

How do other communities address solar energy systems in historic districts?

Mon, 07/30/2012 Read Answer
Q.

What are the best states to install residential solar systems?

Mon, 07/30/2012 Read Answer
Q.

Where can I find information on active PACE programs?

Mon, 07/30/2012 Read Answer
Q.

What sort of license do I need to install a solar system?

Mon, 07/30/2012 Read Answer
Q.

I am looking of examples of how local units of government have utilized state/federal governmental tax credits to reduce the cost of PV/solar electric systems.  I know there is a way with vehicle fueling alternatives, but I am searching for how tax credits can make our dollars go further with PV.

Mon, 07/30/2012 Read Answer
Q.

Can you describe what RECs are and how they work?

Mon, 07/30/2012 Read Answer
Q.

What kind of wind speed can solar panels withstand on roof installs?

Mon, 07/30/2012 Read Answer
Q.

How do other communities encourage the use of solar energy systems through their comprehensive plans?

Mon, 07/30/2012 Read Answer
Q.

How do other communities use development regulations to protect solar access?

Mon, 07/30/2012 Read Answer
Q.

How do other communities use development regulations to encourage appropriate solar orientation for new development?

Mon, 07/30/2012 Read Answer
Q.

Do any communities require developers to build “solar-ready” homes? 

Mon, 07/30/2012 Read Answer
Q.

How do other communities use development regulations to encourage the installation of small-scale solar energy systems?

Mon, 07/30/2012 Read Answer

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