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Run-of-river hydropower plants can supply much needed flexibility to the power system. As wind turbines and solar panels supplant nuclear, coal, and natural gas generation, the flexibility from run-of-river hydropower can help keep the electricity grid balanced, stable, and secure.

The Outstanding Young Investigator Award honors young scientist for outstanding, interdisciplinary scientific work in the field of materials science. The award is awarded by the Materials Research Society and is given to scientists with an excellent promise as a developing leader in the materials research community. Our congratulations!

Traditionally, most high-voltage insulation systems in electrical power transmission applications are stressed with DC or 50 Hz AC voltage. This article provides a short summary on the challenges associated with high-voltage insulation system design for applications with non-conventional waveforms occurring in medium-voltage converters or inverter-fed loads.

Choice defaults have become an increasingly popular and seemingly inexpensive public policy tool. Yet, there is scant knowledge on the distributional consequences of such nudges for different groups in society. A field study with a Swiss utility provides novel empirical findings highlighting the need for a careful evaluation of choice defaults.