Hydropower Construction

Wiltsie offers utility clients unmatched experience and technical expertise in the fabrication, installation and maintenance of hydropower penstocks and auxiliary equipment. Wiltsie also specializes in the repair and renovation of hydropower surge tanks.

Wiltsie has successfully completed hydropower construction and renovation projects for utility companies throughout the northeastern United States.


  • Penstock Fabrication and Installation
  • Penstock System Repairs and Alterations
  • Sandblasting and Protective Coatings
  • Surge Tank Rehabilitation, Repair and Maintenance
  • Trash Rack Fabrication and Installation
  • Head Gate Fabrication and Installation

Standards and Codes

Wiltsie performs its fabrication and erection in accordance with the following codes and standards:

  • ASME Boiler and Pressure Vessel Code Section VIII, Div.1 and Section IX of Boiler and Pressure Vessel Code
  • ASCE (American Society Of Civil Engineers, Manuals and Reports on Engineering Practice for Construction of Steel Penstocks
  • API (American Petroleum Institute)-1104 Specifications
  • ANSI/AWS D.1.1 (American National Standard Institute/American Welding Society) Structural Welding Code, latest edition.

Wiltsie Construction Co., Inc. • 735 East Seneca Street, Oswego, NY 13126 • P: 315.342.1880 • F: 315.343.8238