Industrial production rose 1.1% in November, the Federal Reserve reported Monday.
The gain is the largest increase since November 2012, when production rose 1.3%. The November 2013 increase followed a revised 0.1% gain the previous month, originally reported as a 0.1% decline.
Capacity utilization increased to 79.0% from a revised 78.2% in October, originally reported as 78.1%.
Economists polled by Thomson Reuters expected a 0.5% increase in production and 78.4% capacity utilization.
Manufacturing output was up 0.6% in November following a revised 0.5% increase the previous month.
Utilities rose 3.9% in November after falling a revised 0.3% in October.