RSS feed source: US Energy Information Administration

In-brief analysis

October 16, 2026

We estimate that U.S. generation from small-scale or rooftop solar photovoltaic systems (smaller than 1 megawatt of capacity) has increased from 18,812 gigawatthours (GWh) to 92,979 GWh over the last decade. The four states with the highest generation of small-scale solar in the country—California, Arizona, Texas, and Florida—are in regions with more abundant solar resources. Even though it is in a region with lower solar resources, New York ranks as the fifth-largest rooftop solar generation producer as a result of capacity growth supported by technology improvements and state incentives.

The year-over-year change in generation was particularly high in 2022, when total generation grew by 25% compared with the previous year amid record capacity growth. Changes in different programs supporting rooftop solar partly explain this increase in generation. For example, California’s Net Energy

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Scientists investigating Nazi Germany’s secret nuclear program have uncovered evidence that its final experimental reactor was nowhere near as close to working as previously claimed. Analysis of surviving uranium cubes and wartime documents reveals that Germany lacked the enormous quantities of uranium and heavy water needed to make its reactor operational.

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Staff Research Associate 3 (9611C), QB3 Institute #89409

About Berkeley

At the University of California, Berkeley, we are dedicated to fostering a community where everyone feels welcome and can thrive. Our culture of openness, freedom, and belonging makes it a special place for students, faculty, and staff, who are among the most talented and accomplished anywhere, including Nobel laureates, Pulitzer Prize winners, and MacArthur Fellows. Since our founding in 1868, we have been an engine for innovation – driving intellectual, economic, and social progress that benefits California, the U.S., and beyond. Together, we change the world.

At Berkeley, the best careers are built on a foundation of continuous learning and growth. We actively support professional development by providing all full-time staff employees with at least 80 hours of paid time per year and provide space for supportive colleague communities via numerous employee resource groups.

We invite applicants

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Scientists discovered that atomic steps just one atom high can guide quantum vortices through superconductors, making them move more than 1,000 times more easily in one direction than another. This remarkable control over quantum motion could lead to a new generation of ultra-efficient superconducting electronics.

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