The August 21st solar eclipse: How and where it’ll impact solar production

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On August 21, 2017, the U.S. will experience a solar eclipse for the first time since May 2012. The eclipse will cause an obscuration of the sun’s light, resulting in a reduction of the energy from irradiance that will hit the Earth’s surface. As the eclipse crosses the U.S., it…

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Adapting utility processes to the reality of distributed PV

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Utility processes and systems impacted by distributed PV In previous blog posts, we’ve looked at how the growth of distributed PV can impact grid operation at the system level. These blogs addressed how distributed PV can lead to the often referenced “duck curve,” and how SolarAnywhere® FleetView® software can be used…

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MN Solar Pathways: Illuminating pathways to 10% solar

On March 30, 2017, the Minnesota Department of Commerce along with its core team, kicked off its Department of Energy-funded MN Solar Pathways project aimed at finding the least-risk, best-value solutions for MN to achieve its solar energy goals. Clean Power Research is a member of the core team, which also…

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What is the value of accurate solar forecasting for utility-scale PV plants?

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The importance and source of solar forecasting With an increasing number of installed utility-scale PV plants and a growing need for predictable energy generation, the solar industry has started paying attention to solar forecasting. The reasons behind this are: Solar generation is variable in nature. Being able to predict solar…

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DERs take center stage at DistribuTECH

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At the recent DistribuTECH Conference in San Diego, more than 13,000 attendees spent three engaging days discussing the biggest issues facing utilities today. One of the hottest topics, judging by session attendance and exhibit floor conversations, was Distributed Energy Resource (DER) forecasting and management. DERs are disrupting the utility business…

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SolarAnywhere detects calibration error in nation’s most trusted ground site

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How accurate are SolarAnywhere® irradiance data? They are accurate enough to identify an undetected calibration error at one of the nation’s most trusted ground truth stations. Figure 1 presents Direct Normal Irradiance (DNI) and Global Horizontal Irradiance (GHI) measured at the Fort Peck, Montana SURFRAD station and satellite-based SolarAnywhere GHI…

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How to reduce demand charges using solar forecasts

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The challenge is well-known by commercial building owners and PV project developers: on site solar PV generation offers excellent energy savings to commercial customers but can result in unreliable demand charge reduction benefits.  Through a recent DOE funded demonstration project, Clean Power Research and EdgePower demonstrated how use of commercial…

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The Future of the NREL Solar Prospector and Public Solar Data

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Solar Prospector Sunsetting As many of you have heard, the National Renewable Energy Laboratory (NREL) will be sunsetting the Solar Prospector tool. The Solar Prospector tool was last updated in 2012 by NREL and its purpose was to provide mapping and data analysis in support of solar project development across…

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Observational MET programs reduce uncertainty

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This week, we’re pleased to present a post from GroundWork® Renewables’ CEO Ann Gaglioti. Measuring irradiance data in the field reduces the uncertainty of the energy production assessment and results in a measurable return on investment during project financing. In eight years of serving the solar development community, GroundWork® Renewables‘ observational MET…

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