Variable renewables such as solar photovoltaics and wind power are key technologies for
achieving the decarbonization of the power sector. However, they differ significantly from …

Alternative fuels are essential to enable the transition to a sustainable and environmentally
friendly energy supply. Synthetic fuels derived from renewable energies can act as energy …

Understanding the technical and economic challenges of achieving 100% renewable
energy (RE) electric power systems is critical, given the increasing number of United States …

This report examines US curtailment practices, with a particular emphasis on utilities in the
Western states. The information presented here is based on a series of interviews conducted …

Relying almost entirely on energy from variable renewable resources such as wind and
solar energy will require a transformation in the way power systems are planned and …

The electric power sector around the world is undergoing long-term technical, economic,
and market transformations. Part of these transformations is the challenge of integrating high …

As the US energy system evolves, the amount of electricity from variable-generation sources
is likely to increase, which could result in additional times when electricity demand is lower …

Since 2005 the Chinese wind power technology industry has developed rapidly, with China
becoming the largest installer of wind power capacity in the world in 2010. This paper …

California is blazing a path to a low-carbon future through greater use of renewable
electricity. But as wind and solar rapidly grow, grid operators are raising concerns about …

The flexibility of hydropower plants with large reservoirs is frequently exploited to integrate
large shares of variable and intermittent renewable energy sources in electricity systems. In …