Electricity intensity of U.S. homes and commercial buildings decreases in coming decades

In EIA’s recently released Annual Energy Outlook 2019 (AEO2019) Reference case, projected residential and commercial purchased electricity consumption grows more slowly than the number of households or total commercial floorspace. As a result, electricity intensity—the amount of electricity consumed per…

Power blocks in natural gas-fired combined-cycle plants are getting bigger

Combined-cycle electric generating systems are combustion and steam turbines that operate in groups commonly referred to as power blocks. Since 2014, the average size of a natural gas-fired combined-cycle power block has increased significantly. The average combined-cycle power block installed…

Most U.S. utility-scale solar photovoltaic power plants are 5 megawatts or smaller

The United States has more than 2,500 utility-scale solar photovoltaic (PV) electricity generating facilities. Most of these power plants are relatively small and collectively account for 2.5% of utility-scale electric generating capacity and 1.7% of annual electricity generation, based on…

More stringent marine sulfur limits mean changes for U.S. refiners and ocean vessels

The implementation of new regulations affecting marine fuel specifications will have implications for crude oil and petroleum product markets over the coming decade. Previous Today in Energy articles described these regulations and the short-term implications for refining margins through 2020.…