; and (B) current and future threats, including physical and cyber attacks, electromagnetic pulse, geomagnetic disturbances, seismic events, severe weather, and climate change. (2) Metrics Grant recipients shall demonstrate to the Secretary of Energy, with measurable and verifiable data, how the deployment of resiliency-related technologies, upgrades, and measures achieve improvements in the resiliency and recovery of electricity delivery infrastructure and related services, including a comparison of data collected before and after deployment. Metrics for demonstrating improvements in resiliency and recovery may include— (A) power quality during power disturbances when delivered power does not meet power quality requirements of the customer; (B) duration of customer interruptions; (C) number of customers impacted; (D) cost impacts, including business and other economic losses; (E) impacts on electricity-dependent essential services and critical facilities; and (F) societal impacts. (3) Furthering energy assurance plans Grant recipients shall demonstrate to the Secretary of Energy how projects or programs established, or to be established, pursuant to grants provided under this section further applicable State and local energy assurance plans. (g) Authorization of appropriations There are authorized to be appropriated to carry out this section $515,000,000 for each of fiscal years 2020 through 2024, of which not more than $15,000,000 per fiscal year may be used for administrative expenses. 2 21st Century Power Grid 31201. Grant program for grid modernization projects (a) In general The Secretary of Energy shall establish a program to provide financial assistance to eligible partnerships to carry out projects related to the modernization of the electric grid, including— (1) projects for the application of technologies to improve monitoring of, advanced controls for, and prediction of performance of, the distribution system