United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Utilities: Electric Power Generation (NAICS = 22111) was 4.42% in March of 2024, according to the United States Federal Reserve. Historically, United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Utilities: Electric Power Generation (NAICS = 22111) reached a record high of 5.58 in April of 2020 and a record low of 2.37 in January of 1974. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Utilities: Electric Power Generation (NAICS = 22111) - last updated from the United States Federal Reserve on April of 2024.