Completed protection and control panels at MERALCO Balintawak Substation

Integrated Engineering Solutions, Inc. (IES) provides electrical design, consultancy, power system studies, SCADA & automation, integration, installation, commissioning, panel wiring & assembly, maintenance and testing services to power generation and transmission companies, independent power producers (IPPs), distribution utilities, electric cooperatives, large industrial and commercial establishments, multinational companies that need local expertise on turnkey projects, and contractors that need sophisticated test equipment.

Its management has entrepreneurial and technical exposure with an aggregate of more than 100 years of experience in the electric utility industry. IES adheres to corporate good governance practices and is set for ISO 9001:2008 certification. IES believes in taking care of the environment and in developing the full potential of its people to become responsible members of society.

IES is an affiliate of Sunertech Corporation in the implementation of many projects in the areas of design, wiring, testing, commissioning, automation, and integration of various electrical systems.

IES ensures that services are implemented in accordance with the applicable international, local or manufacturer's standards. We are available 24/7.

IES is licensed by the Philippine Contractors Accreditation Board (PCAB) and follows the InterNational Electrical Testing Association (NETA) standards for Electrical Works.

Line impedance testing of transmission lines at National Grid Corporation
of the Philippines (NGCP)



IES offers a holistic brand of service that ensures comprehensive diagnosis and complete solutions tailor-fitted to customer's specific need.

Electrical Design

Preparation of electrical design for new and/or upgrading of electrical installation of high-rise residential and commercial buildings, substation equipment and facilities, protection and control panel layout and wiring diagrams.


Consultancy services related to power system study, automation and integration, and medium and low voltage systems.

Power System Studies

Preparation of power system study and analysis using ETAP electrical power system design and analysis software for equipment evaluation, cable sizing & ampacity, load flow, voltage drop, panel studies & single phase systems, short circuit analysis, protective device coordination and sequence of operation.

SCADA and Automation

Automation of integrated substation equipment and devices including supervisory control and data acquisition (SCADA), data logging of meter reading, breakers and disconnect switch status, controls of breakers and disconnects, controls of on-load tap changers (OLTC) and monitoring of transformer installed devices and substation events.


Integration of substation devices such us protection & control relays, meters, circuit breaker controls, motorized disconnect controls and transformer monitors & controls.

Installation and Commissioning

Installation and commissioning of pre-wired protection and control panels, meter panels, SCADA panels and other online substation monitoring devices.

Panel Wiring and Assembly

Maintenace and Testing


  • Turns Radio Test
  • Polarity Test
  • Insulation Resistance Test
  • Insulation Power Factor Test
  • Winding Resistance Measurement
  • Exciting Current Measurement
  • Ground Resistance Test
  • Tap Charger Check
  • Oil Test/ Dissolved Gas Analysis


  • Timing Test
  • Contact Resistance Test
  • Ground Resistance Test
  • Insulation Resistance Test
  • Insulation Power Factor Test
  • DC High Potential Test


  • Ratio, Burden and Polarity Test
  • Phase and Magnitude Error Test
  • Excitation/Saturation Test
  • Insulation Resistance Test
  • CT Circuit Continuity Test


  • Ratio and Polarity Test
  • Phase and Magnitude Error Test
  • Secondary Burden Test
  • Insulation Resistance Test
  • Excitation Test


  • Recloser Testing
  • Power Factor of Insulting Liquid and Permittivity Testing
  • Primary Current Injection of up to 2,000 Amperes

Other Services


  • Electrical Troubleshooting and Repair
  • Preventive Maintenance
  • Maintenance Testing
  • High/medium/low voltage circuit breakers
  • Instrument Transformer
  • Meters and transducers tests and calibration
  • Protective relays tests and calibation
  • Switchgears and switchboards
  • Panelboards and motor control centers
  • Disconnect switches
  • Automatic transfer switches
  • Surge arresters
  • Power Cables
  • Communiciation
  • Capacitors and reactors
  • Generators and motors
  • Ground Resistance Testing
  • Time Travel Tests and Analysis
  • Harmonic and Power Quality Measurements
  • Voltage/Load Recording
  • Line Impedance Testing


  • Protection System Upgrade
  • Pre-wired Panels
  • Retrofitting
  • Power Quality Analysis
  • Grounding Audit


  • Acceptance Testing
  • Performance Baseline


  • Dissolved Gas Analysis
  • Thermographic Scanning
  • Ultrasonic Detection


Installation, testing and commissioning of a SCADA master station for
First Bukidnon Electric Cooperative's (FIBECO) electric distribution system


Clients (partial list)


Contact Us

Integrated Engineering Solutions, Inc.

Address: 2/F The Victoria Plaza 41 Annapolis St., Greenhills, San Juan City 1502

Phone: (+63) 2 8727-0621 | 8724-7203 | (02) 542 8957

Fax: (+63) 2 8721-2271


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Integrated Engineering Solutions, Inc.



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