The First Edison Underground Central Station System

1882    1917

IN A BUILDING ON THIS SITE AN ELECTRIC 
PLANT SUPPLYING THE FIRST EDISON 
UNDERGROUND CENTRAL STATION SYSTEM 
IN THIS COUNTRY AND FORMING THE ORIGIN
OF NEW YORK'S PRESENT ELECTRICAL SYSTEM 
BEGAN OPERATIONS ON SEPT. 4 1882 
ACCORDING TO PLANS CONCEIVED AND 
EXECUTED BY 
THOMAS ALVA EDISON 
TO COMMEMORATE AN EPOCH-MAKING EVENT 
THIS TABLET IS ERECTED BY 
THE AMERICAN SCENIC AND HISTORIC PRESERVATION SOCIETY 
THE NEW YORK EDISON COMPANY

Plaque via Jack Curry's site Dedicated NYC. Original page here.