Resource Library

Author: Paidipati, J. | Frantzis, L. | Sawyer, H. | Kurrasch, A.
Organization: National Renewable Energy Laboratory | Navigant Consulting
The NREL study models market penetration of rooftop photovoltaics in the United States in a variety of scenarios and on a state-by-state basis for years 2007 to 2015. The report found significant potential for rooftop solar in the United States in terms of potential cumulative installations and contributions to future...
Author: Hernandez, Mari
Organization: Center for American Progress
This Center for American Progress brief finds that the recent increase in solar rooftop installations are occuring primarily in middle-class neighborhoods by relatively affluent homeowners.    
Author: Ardani, Kristen | Seif, Dan | Margolis, Robert | Morris, Jesse | Davidson, Carolyn | Truitt, Sarah | Torbet, Roy
Organization: National Renewable Energy Laboratory
The NREL report analyzes soft cost reduction trajectories, and compares those with the cost-reduction goals of the US Department of Energy’s SunShot Initiative. The report found that at both residential and commercial scales, the current trajectory case does not achieve US DOE SunShot Targets by 2020.
Author: Barnes, Chelsea | Barnes, Justin | Laurent, Chad | Heinemann, Amy | Uppal, Jayson
Organization: US Department of Energy | North Carolina Solar Center | Meister Consultants Group
This North Carolina Solar Center and Meister Consultants reports addresses uncertainty over how PV systems should be valued and tax for property tax purposes.  The report assesses property taxes as they apply to solar PV systems and how systems are assessed under PV-specific and general property tax laws. The report...
Author: Crabb, Bryan | Zweibel, Ken
Organization: GW Solar Institute | California Solar Energy Industries Association
The report discusses Federal Incentives for all energy sources, including solar, wind, biofuels, hydrologic, coal, oil, natural gas and nuclear. It provides historical context for subsidies and tax incentives that have helped energy subsidies develop into mature technologies, and compares renewable energy Federal...
Author: Meister, Joel
Organization: GW Law School
Since the addition of government grants (in Section 1603 of the American Recovery and Reinvestment Act) in 2009, solar energy projects had access to six possible layers of capital: 1603 grants, government-backed debt through the Department of Energy Loan Guarantee Program, commercial debt, tax equity, subordinated...
Author: Mai, T. | Wiser, R. | Sandor, D. | Brinkman, G. | Heath, G. | Denholm, P. | Hostick, D.J. | Darghouth, N. | Schlosser, A. | Strzepek, K.
Organization: National Renewable Energy Laboratory
This NREL study provides an analysis of the grid integration opportunities, challenges, and implications of high levels of renewable energy generation for the U.S. electric grid system. 
Author: Coddington, Michael | Mather, Barry | Kroposki, Benjamin | Lynn, Kevin | Razon, Alvin | Ellis, Abraham | Hill, Roger | Key, Tom | Nicole, Kristen | Smith, Jeff
Organization: US Department of Energy | Sandia National Laboratory | National Renewable Energy Laboratory | Electric Power Research Institute
This government study evaluates the origins and usefulness of the capacity penetration limits (or “screens”) used to fast track interconnection processes, offers short-term solutions to allow faster interconnection for PV systems, and recommends long term solutions for increasing PV deployment levels safely and...
Author: Sturtevant, JL
Organization: GW Law School
This paper explores the feasiblity of extending the Real Estate Investment Trust (REIT) model to solar projects. Just as REITs have spurred investment into commercial real estate, Solar-REITS (S-REITs) could open up solar projects to small investors, increasing capital flows into solar energy markets. The income...

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