Gross Domestic Product: Utilities (NAICS 22) in Maryland was 6639.20000 Mil. of $ in July of 2023, according to the United States Federal Reserve. Historically, Gross Domestic Product: Utilities (NAICS 22) in Maryland reached a record high of 7908.20000 in October of 2017 and a record low of 3289.50000 in April of 2005. Trading Economics provides the current actual value, an historical data chart and related indicators for Gross Domestic Product: Utilities (NAICS 22) in Maryland - last updated from the United States Federal Reserve on March of 2024.