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GHI -- DNI -- DHI --
Data displayed are average cumulative annual values for each city

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News & Resources

Less coal, sunnier skies increasing solar project value
Less coal, sunnier skies increasing solar project value

In many regions around the world, the skies are getting cleaner thanks to controls on air pollution designed to benefit public health. The Eastern U.S. and Europe have seen dramatic improvements in air quality since the 1980s. Coal plant retirements and stricter...

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Leveraging GOES-17 for more accurate solar data
Leveraging GOES-17 for more accurate solar data

In February 2018, we blogged about the future of solar forecasting with the new NOAA/NASA GOES-16 satellite. The launch of the GOES-17 satellite held similar promise, but bringing it online ended up being problematic for NOAA/NASA—and provided a few wrinkles for those...

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A long history of data is key to solar project bankability
A long history of data is key to solar project bankability

While the average power purchase agreement (PPA) price falls to keep solar competitive, the amount of global solar capacity developed in the past two-years has increased at a rate of roughly 30% year-over-year. This means that project developers are being forced to...

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