"On April 21, 2015, the Quadrennial Energy Review (QER) Task Force released the first installment of the QER titled 'Energy Transmission, Storage, and Distribution Infrastructure.' The first installment (QER 1.1) examines how to modernize our Nation's energy infrastructure to promote economic competitiveness, energy security, and environmental responsibility, and is focused on energy transmission, storage, and distribution (TS&D), the networks of pipelines, wires, storage, waterways, railroads, and other facilities that form the backbone of our energy system. [...] On January 6, 2017, the Quadrennial Energy Review (QER) Task Force released the second installment of the Quadrennial Energy Review report titled 'Transforming the Nation's Electricity System.' The second installment (QER 1.2) finds the electricity system is a critical and essential national asset, and it is a strategic imperative to protect and enhance the value of the electricity system through modernization and transformation. QER 1.2 analyzes trends and issues confronting the Nation's electricity sector out to 2040, examining the entire electricity system from generation to end use, and within the context of three overarching national goals: (1) enhance economic competitiveness; (2) promote environmental responsibility; and (3) provide for the Nation's security."
Department of Energy: http://www.energy.gov/