NAES Corporation

NAES Corporation

Hydropower Services

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NAES performs all aspects of hydroelectric plant maintenance, repair and construction, including emergency repairs, maintenance projects and longer-term capital modifications or improvements of plant equipment, systems and facilities.  Services are performed during normal operating periods, scheduled outages and unscheduled outages.  NAES often performs services under long term service agreements (LTSAs).

From pre-shutdown operational tests to post-assembly alignment checks, NAES provides full service expertise on any size project, including supervision, labor, equipment, and materials.  Regardless of project location, NAES provides knowledge of local standards and conditions to ensure project success.  NAES sources major equipment and materials from any OEM supplier to provide unbiased access to the best equipment available.

  • Planning
  • Supervision
  • Management
  • Labor support
  • Full EPC project capabilities
  • Machining & fabrication

Complete Facility Services

NAES provides all aspects of hydroelectric facility maintenance and construction, including: installation, repairs, refurbishment, fabrication, equipment inspections, and overhauls.  Projects include:

  • Turbines
  • Trash racks
  • Draft tubes
  • Foundation drains
  • Wicket gates
  • Cavitation repairs
  • Shaft seals
  • Penstocks
  • Gates
  • Valves
  • Pre-outage turbine generator runout testing
  • Unit alignment and commissioning
  • Fish screens and bypass systems
  • Hydraulic nozzle refurbishment
  • Gantry crane installations
  • Scroll case repair
  • Mechanical systems
  • Controls: installation and modification of DC controls
  • Plant Automation: unit, plant and governor controls
  • Substation: new or modifications to existing
  • Power Management: VFDs, MCCs, switchgear, load centers, UPS

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