‍ HYDROELECTRIC GENERATION • UTILITY POWER SYSTEMS • CRITICAL INFRASTRUCTURE

Specialized Field Services for Hydroelectric Generation & Utility Power Systems

Nulton Energy Services provides technical field support for hydroelectric generation facilities, critical infrastructure, and utility-scale power systems throughout New York and the Northeast.

NES supports utilities, plant owners, engineering firms, EPCs, electrical testing companies, and prime contractors with hydro controls, protection relay testing support, breaker verification, PLC/SCADA, instrumentation, commissioning, troubleshooting, and modernization support.

TECHNICAL CAPABILITIES

Technical Capabilities

Nulton Energy Services provides focused technical field support for hydroelectric generation facilities, substations, industrial power systems, and utility-scale generation assets. Our work is centered on controls, protection, instrumentation, PLC/SCADA, commissioning, troubleshooting, and modernization support.


Hydroelectric Controls & Modernization Support

  • Gate controls, governor interfaces, and HPU controls

  • Legacy control systems, PLCs, HMIs, and SCADA

  • Local/remote schemes, permissives, and shutdown logic

  • System upgrades, replacements, and modernization support


PLC, SCADA, RTU & Control System Support

  • PLC troubleshooting and program support

  • SCADA point verification and alarm testing

  • RTU terminations and communications troubleshooting

  • Control system startup and functional testing


Protection Relay Testing & Commissioning Support

  • SEL relay testing support and verification

  • Settings verification and protection checks

  • Trip output validation and alarm verification

  • Protection scheme checks and commissioning test support


Instrumentation & Signal Verification

  • 4–20 mA loop checks and verification

  • Level, flow, pressure, temperature, and position devices

  • Transducer support and scaling verification

  • Loop troubleshooting and signal validation


Breaker Functional Testing & Control Circuit Verification

  • Trip and close circuit verification

  • 52a / 52b status and position verification

  • Lockout relay testing and trip path verification

  • Breaker control checks and return-to-service testing


Commissioning, Outage & Return-to-Service Support

  • Outage support and field resource assistance

  • Energized function testing and point-to-point checks

  • Startup support, documentation, and redlines

  • Return-to-service verification and closeout

HYDRO MODERNIZATION

Practical Modernization Support for Legacy Hydroelectric Facilities

Many hydroelectric facilities continue to operate with aging control panels, obsolete devices, limited SCADA visibility, outdated instrumentation, inconsistent documentation, and manual operator workarounds.

Nulton Energy Services helps utilities, plant owners, engineering firms, and contractors support practical modernization efforts that improve reliability, visibility, protection, control, and maintainability without unnecessary full-system replacement.

NES is especially suited for legacy hydro facilities where existing systems are still operational but need targeted upgrades, troubleshooting, commissioning, and field support to improve long-term reliability.

Controls & Automation

Support for legacy control panels, local/remote control schemes, gate controls, governor interfaces, HPU controls, permissives, shutdown logic, and operator controls.

Instrumentation & Feedback

Support for level, flow, pressure, temperature, gate position, limit switches, 4–20 mA loops, signal converters, scaling verification, and field device troubleshooting.

Modernization Support Areas

Protection & Trip Logic

Support for SEL relay testing, breaker trip path verification, lockout relay testing, shutdown circuit checks, alarm verification, and protection-related commissioning support.

Commissioning & Outage Support

Support during planned outages, upgrade windows, startup activities, energized function testing, point-to-point checks, issue tracking, return-to-service testing, and documentation.

Documentation & Field Redlines

Support for drawing review, field markups, as-built redlines, test notes, issue lists, turnover documentation, and practical closeout support.

PLC, HMI & SCADA Improvements

Support for PLC-based controls, HMI/operator interface improvements, SCADA point verification, RTU terminations, communications troubleshooting, and local/remote control testing.

About
Our Company

Nulton Energy Services provides specialized technical support for utility-scale power and renewable energy facilities throughout the Northeast. We focus on keeping generation assets running safely, efficiently, and reliably — with a strong emphasis on practical field expertise and disciplined problem-solving.

Founded and operated by Michael Nulton, a skilled instrumentation and electrical technician with 14+ years of hands-on experience in hydroelectric generation and industrial power systems, our work is built on real operating knowledge. Michael has spent his career inside power plants — maintaining and troubleshooting instrumentation, control systems, governor equipment, electrical systems, and protection relays essential to reliable energy production.

That background shapes everything we do. We understand the urgency of outages, the importance of safety and compliance, and the need for clear communication and dependable execution. At Nulton Energy Services, you work directly with a seasoned professional who has been responsible for the performance and reliability of critical power infrastructure

Why Choose Us?

  • Expertise in system protection & control (SCADA, PLC, DCS, and relay systems)

  • Comprehensive services from consulting to emergency repair

  • 24/7 rapid response to minimize downtime

  • Commitment to clean energy & reliability.

Contact us today to see how we can support your operations!

michael_nulton@nultonenergyservices.com

Contact Us

Contact us today to learn how we can support hydroelectric operations. Whether you need consulting, maintenance, or emergency assistance, we’re here to help.