Gleanings from the web and the world, condensed for convenience, illustrated for enlightenment, arranged for impact...

The challenge now: To make every day Earth Day.


  • ORIGINAL REPORTING: Beyond Net Metering To The Value Of Location
  • ORIGINAL REPORTING: Is A National Transmission System The Way To Cut Emissions?
  • ORIGINAL REPORTING: How Utilities Can Partner With Vendors At The Grid Edge

  • TODAY’S STUDY: Hooking Up With Solar
  • QUICK NEWS, October 25: Will Voters Back Trump’s Coal Or Clinton’s Climate Action On November 8?; Solar Building Corporate Balance Sheets; New Wires For More Wind Means Lower Power Prices


  • TODAY’S STUDY: The Future Of New England’s Power
  • QUICK NEWS, October 24: Small Wins In Climate Fight Point The Way To Victory; Seeing The Real Wind At Last; Al Gore Calls Florida Solar Amendment “Phoney Baloney”

  • Weekend Video: The Most Unlikely Eco-Warriors Of All Time
  • Weekend Video: A New Energy Vision
  • Weekend Video: Solutions – Solar
  • Weekend Video: Solutions – Wind

  • FRIDAY WORLD HEADLINE-This Is How To Beat Climate Change. Now Get To It.
  • FRIDAY WORLD HEADLINE-China To Build World’s Biggest Solar Panel Project
  • FRIDAY WORLD HEADLINE-Europe’s Ocean Wind Boom
  • FRIDAY WORLD HEADLINE-Australia’s Huge Ocean Energy Opportunity


  • TTTA Thursday-How Climate Change Is A Health Insurance Problem
  • TTTA Thursday-World Wind Can Be A Third Of Global Power By 2030
  • TTTA Thursday-First U.S. Solar Sidewalks Installed
  • TTTA Thursday-Looking Ahead At The EV Market
  • --------------------------


    Anne B. Butterfield of Daily Camera and Huffington Post, f is an occasional contributor to NewEnergyNews


    Some of Anne's contributions:

  • Another Tipping Point: US Coal Supply Decline So Real Even West Virginia Concurs (REPORT), November 26, 2013
  • SOLAR FOR ME BUT NOT FOR THEE ~ Xcel's Push to Undermine Rooftop Solar, September 20, 2013
  • NEW BILLS AND NEW BIRDS in Colorado's recent session, May 20, 2013
  • Lies, damned lies and politicians (October 8, 2012)
  • Colorado's Elegant Solution to Fracking (April 23, 2012)
  • Shale Gas: From Geologic Bubble to Economic Bubble (March 15, 2012)
  • Taken for granted no more (February 5, 2012)
  • The Republican clown car circus (January 6, 2012)
  • Twenty-Somethings of Colorado With Skin in the Game (November 22, 2011)
  • Occupy, Xcel, and the Mother of All Cliffs (October 31, 2011)
  • Boulder Can Own Its Power With Distributed Generation (June 7, 2011)
  • The Plunging Cost of Renewables and Boulder's Energy Future (April 19, 2011)
  • Paddling Down the River Denial (January 12, 2011)
  • The Fox (News) That Jumped the Shark (December 16, 2010)
  • Click here for an archive of Butterfield columns


    Some details about NewEnergyNews and the man behind the curtain: Herman K. Trabish, Agua Dulce, CA., Doctor with my hands, Writer with my head, Student of New Energy and Human Experience with my heart




      A tip of the NewEnergyNews cap to Phillip Garcia for crucial assistance in the design implementation of this site. Thanks, Phillip.


    Pay a visit to the HARRY BOYKOFF page at Basketball Reference, sponsored by NewEnergyNews and Oil In Their Blood.

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  • Snopes Fact-Checks Scientists-Against-Climate Change Claim
  • How Much Millennials Care About Climate
  • Studying Low Solar Energy Costs
  • Kite Wind Power Rising

    Tuesday, September 29, 2015


    How extending the investment tax credit would affect US solar build

    15 September 2015 (Bloomberg New Energy Finance/Applied Research – Solar Energy Industries Association)

    Under current policy, the US can expect 73GW of solar PV online by year-end 2022. A pending reduction of the 30% investment tax credit (ITC) in 2017 will reduce build rates from an average of 8GW/year from 2014-16 to 6GW/year from 2017-22. A five-year extension of the 30% ITC would add over 22GW to the US solar PV install base, boosting average build rates to 10GW/year from 2017-22.

    National Solar Build Forecast

    All eyes in the US solar industry are on 2017. The federal investment tax credit (ITC) – which provides a tax credit equal to 30% of the total system value – decreases for any project placed in service after 31 December 2016. The personal investment tax credit (Section 25D) fully expires, while the business energy investment tax credit (Section 48) falls to 10%. To quantify the impact of the ITC change, Bloomberg New Energy Finance forecasted US solar build under two scenarios (Figure 1 and Figure 2):

    • Current policy: The personal and business tax credits step down to 0% and 10%, respectively, for projects commissioned in 2017 onward.

    • ITC extension: The ITC is extended 5-years, pushing the year-end 2016 deadline to 2021. In addition, a ‘commence construction’ clause is added to the business tax credit, which allows projects that begin construction prior to 1 January 2022 to receive the full 30% credit (instead of only those that are fully commissioned). Our forecast assumes that the extension is confirmed in mid- 2016, giving projects time to prepare for the new policy.

    Under existing policy, we expect the US to add 54GW of new capacity between 2015 and 2022 (6.8GW/year) – a nearly three-fold increase over the 19GW built through 2014. But the incremental capacity gained with an ITC extension exceeds 22GW: the US builds over 76GW from 2015 to 2022 in the extension case.

    The timing of the extension is important. We view summer 2016 as the latest deadline needed for an extension to significantly affect developers’ timelines for utility-scale projects. The uncertainty alone regarding the policy could force 2016 to look closer to the existing policy case in Figure 1 and Figure 2, even if an extension did eventually pass by end-of-year; few large project owners would risk losing the 30% credit.

    Total build for top states are shown in Figure 2. State-level results for each customer segment – utility, residential, and commercial and industrial (C&I) – are highlighted in Figures 3-5 below


    The impact of the ITC extension is greatest for utility-scale among the three segments. With current policy, we expect total build to hit nearly 26GW from 2015-22; an extension boosts build to over 36GW, for an increase of over 10GW (Figure 3). The states that gain the most, on an absolute basis, are California (4.3GW), Nevada (1.1GW) and Texas (0.7GW).


    We model 15.7GW of new residential capacity from 2015-22 under current policy – a 4x growth over the 3.8GW operating in 2014. Annual build rates average 2GW/year after the 2017 ITC stepdown, and the national market takes 3 years to bounce back to 2016 install levels.

    An extension increases total build to 22.6GW, and annual build steadily climbs each year through 2021, averaging 3.2GW/year after 2017. Those states that gain the most with an extension are California (3.2GW), New York (0.4GW) and Maryland (0.4GW).

    Ownership assumptions for residential economic build

    Our residential forecast is based on a consumer adoption model, and we scale the total addressable market based on the fundamental economics of building a new system, measured by the payback period (how many years are required for a consumer to break even on the upfront equipment costs). In this analysis, we calculated the payback period for host-owned systems – meaning that, no project receives a tax credit after 2016 in the policy as usual scenario.

    This choice is conservative. It ensures that forecasted build reflected fundamental changes in system costs without the ITC, rather than an assumption for the future distribution between hostand third-party owned systems. In addition, the calibration of our model against historical adoption by state inherently captures the growth where third-party ownership is used. The economics scale the market, but the adoption curves determine the rate of build.

    But in reality, under current policy, we expect that third-party installers will have an advantage because they will be able to monetize the remaining 10% business investment credit after 2016. As a result, a greater uptake of third-party ownership in the absence of the extension represents an upside risk to our forecast.

    Commercial and industrial

    Under current policy, we forecast 12.9GW of new C&I capacity from 2015-22, just under a 3x increase over 4.6GW of operating capacity in 2014 (Figure 5). With an extension, build grows to 17.8GW over the same time period, with annual build rates averaging 2.2GW/year.

    A note on C&I economics

    The economics for commercial and industrial systems (C&I) are subject to greater variation than to residential systems. Electricity tariffs are more complicated – often featuring the addition of demand, fixed, and time-of-use charges – and the variable portion, which solar generation can directly offset, is usually lower. (Our rate assumptions are based on a bottom-up analysis of C&I tariffs by utility. While far from perfect – we do not know how many customers ultimately lie within each tariff – the analysis does provide a better estimate of actual value to C&I customers over utilizing EIA average rates.)

    But, C&I projects have two cost advantages host-owned residential systems do not: they can monetize the 10% business tax credit post-2016 and take advantage of other tax benefits that hostowned residential systems are not (such as accelerated depreciation).

    The states with the greatest C&I build in Figure 5 are those that have strong historical patterns of adoption and feature short payback periods, driven either by low system costs or higher-than average variable rates.


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