"Transmission congestion" refers to a situation where there is too much demand for electricity to be transmitted through power lines, leading to a more limited or slower flow of electricity. Full definition
The PSC says FERC has not taken into account state initiatives, including a PSC proceeding under way to address transmission congestion to meet downstate power needs by upgrading transmission lines, adding some 1,000 megawatts of transmission capacity. (wamc.org)
«After carefully considering comments from stakeholders and members of the public, and in light of other proceedings related to improving energy efficiency and modernizing the grid, we will carefully re-examine the need for transmission upgrades to address existing transmission congestion problems,» Zibelman said. (politico.com)