Other Substations
Project Experience
Rebuild Electrical Distribution System
MCAS - Cherry Point, NC
  • Rebuild existing 12kV Substation
  • Expand two – 12 kV Switchgear stations.
  • Replace all breaker electromechanical relays with microprocessor Relays
  • Install SCADA System
  • Design communications system
  • The MCAS – Cherry Point has a 12 kV Distribution System with two Points of Delivery from Progress Energy. The system is made up of two 12 kV overhead substations at the Points of Delivery and eight 12 kV sectionalizing stations consisting of outdoor switchgear cabinets.
UTEC, PLLC completed design drawings and specifications using the military specification program SpecsIntact for the following scope of work:
  • Demolition of the obsolete wood pole structure Substation 1 rebuilding the station with steel structures and new feeder breakers.
  • Change out obsolete electromechanical relays in Substations 1 and 2; and Sectionalizing Stations A, B, C, D, E, F, G, and H with approximately eighty SEL-microprocessor relays.
  • Replacement of obsolete air break circuit breakers in Sectionalizing Station E with vacuum breakers.
  • Addition of two breakers in Sectionalizing Station H.
  • Design, installation, and programming of a SCADA system.
  • Design of a fiber optic communication network for the SCADA system.

Progress Energy Carolinas
ICTG Project - Rowan County, NC
This project includes a 500/23 kV substation with a 1000 MVA, 500/230 kV transformer bank, 230 kV ring bus, two 230 kV capacitors banks and a bundled 1590 kc-mil 230 kV transmission line (ultimately two 230 kV lines). The project also includes a 230 kV plant switchyard for three 200 MW gas fired turbine generators with provisions to expand to seven 200 MW generators.

Monroe Power Company
ICTG Project - Monroe, GA
UTEC provided design, engineering, and construction observation for a 230 kV switchyard and associated transmission lines for a 180 MW gas fired turbine generator. The project included a 230/13.8 kV, 217 MVA unit connected step-up transformer, generator iso-phase bus, a 25 MVA 230/4.16 kV auxiliary transformer, three 230 kV OCBs, rigid bus low profile substation design, two 230 kV transmission lines and associated protection and control equipment.

The project also included revenue metering, telemetry, and alarming using a PLC system accessed over an intranet using TCP/IP.

The project was completed and ready for synchronization seven months after award of the engineering contract.

Savannah Electric Power Company – Progress Energy
Savannah, GA
This project included a five breaker 230 kV ring bus with five 230 kV transmission lines.  UTEC provided complete design engineering services including protection and control for five transmission lines, grounding, site-work, control buildings and major apparatus specifications including batteries, substation structures and bus work.

The project also included a 230 kV switchyard and 230 kV transmission tie for three 180 MW gas fired generators.

Duke University Substation 5 Modifications
Durham, NC
UTEC designed modifications for the Duke University Substation 5 in conjunction with the installation of the 13 MW Central Generation Plant. 
Modification design by UTEC included the following:
  • Addition of 32 R reverse power relays to allow paralleling with Duke Power.
  • Addition of 25 synch check relays
  • Additions of 50/51 relay for tie breaker
  • Addition of neutral grounding resistor and 50/51 G relays for 10 MVA transformers
  • Installation of 1,500 kVA wye-delta ground source transformers

Other Recent Projects:
  • Design of a new 100 kV substation with two 15/20/25 MVA transformers, five 15 kV circuit breakers, circuits switches, low profile steel structures and related protection and control for the Commissioners of Public Works in Greenwood, SC.
  • Design of the new Wallace Road retail substation including a 100/24V 20/33 MVA transformer, two 24kV circuit breakers, and 100 kV circuit switcher for Duke Energy.
  • Replacement of an existing 12kV four breaker point of delivery substation, modification of two outdoor switchgear substations, installation of eighty new microprocessor based relays with communications and a protective coordination study for the Cherry Point Marine Corp Air Station in Havelock, NC.
  • Addition of a 115/12 kV 20 MVA transformer, three 12 kv circuit breakers, 115 kV Circuit Switcher, and replacement of  four reclosers with 12 kV circuit breakers at the Winterville 115 kV Substation for Greenville Utilities.
  • Addition of a 100/12 kV 12/20 MVA transformer, three 12 kV circuit breakers, to the Duke Energy Homestead Retail Substation.
  • Design of the Protection and Control system for the new Lilesville 230 kV Switching Station including four transmission lines and one generation plant tie line for Progress Energy Carolinas.
  •  Upgrade including voltage conversion of the 115/23/12 kV Nusco Portland substation including replacement of one 115 kV transformer, installation of 115 kV and 23 kV tie breakers, and an upgrade of protective relay equipment including panels.
  • Design of the new Mt. Gilead Industrial 115/12 kV substation with a 20/26/33 MVA transformer, three 12 kV circuit breakers, 12 kV capacitor bank, and 115 kV circuit switcher for Progress Energy Carolinas
  • Addition of 15/20/25 MVA transformer and three 23 kV circuit breakers to Progress Energy Carolinas’ Wrightsville Beach, NC 115 kV substation.
  • Addition of 15/20/25 MVA transformer and one 23 kV circuit breaker to Progress Energy Carolinas’ Wendell, NC 230 kV substation.
  • Installation of 2-new 15/20/25 MVA substations and modifications to 6 existing substations, and 69kV transmission fiber optic differential relaying for City of Salem, VA.      
  •  Addition of a 115/12 kv 20 MVA transformer, three 12 kv circuit breakers, 115 kV Circuit Switcher, and replacement of four reclosers with 12 kv circuit breakers at the Winterville 115 kV Substation for Greenville Utilities.
  • Addition of a 100/12 kV 12/20 MVA transformer, three 12 kV circuit breakers, to the Duke Energy Homestead Retail Substation.
  • Design of the Protection and Control system for the new Lilesville 230 kV Switching Station including four transmission lines and one generation plant tie line for Progress Energy Carolinas.
  • Upgrade including voltage conversion of the 115/23/12 kV Nusco Portland substation including replacement of one 115 kV transformer, installation of 115 kV and 23 kV tie breakers, and an upgrade of protective relay equipment including panels.
  • Design of the new Mt. Gilead Industrial 115/12 kV substation with a 20/26/33 MVA transformer, three 12 kV circuit breakers, 12 kV capacitor bank, and 115 kV circuit switcher for Progress Energy Carolinas
  • Addition of 15/20/25 MVA transformer and three 23 kV circuit breakers to Progress Energy Carolinas’ Wrightsville Beach, NC 115 kV substation.
  • Addition of 15/20/25 MVA transformer and one 23 kV circuit breaker to Progress Energy Carolinas’ Wendell, NC 230 kV substation.
  • Installation of 2-new 15/20/25 MVA substations and modifications to 6 existing substations, and 69kV transmission fiber optic differential relaying for City of Salem, VA.
  • Addition of 12/16/20 MVA transformer, 138 kV Circuit Switcher, 138 kV take-off tower and structures, 2-15 kV circuit breakers, 2-3600 kVAR capacitor banks, 1000’ of 4-750 kcmil per phase cable bus, and 5 kV indoor metal clad switchgear for major tire manufacturer in Indiana       


             
Utility Technology Engineers-Consultants, PLLC (dba UTEC) has proudly provided electrical engineering design, analysis, consulting, and construction services to utilities and various industries for over 30 years.  UTEC's home office was founded in 1989 and is located in Asheboro, NC, with a branch office in Spartanburg, SC.  Our skillful engineering staff members averages over 30 years of experience.
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