Constant Power Solution Limited was established with a view to carrying on the business of advanced diversified technology based power projects & solutions, focused on improving industrial production and people’s life style through meaningful innovation and engineering in the area of medium, high & extra-high voltage power transmission & distribution, substation engineering, substation automation system, solar power generation, compact cower solution, industrial control & automation, efficient energy management and smart metering system. The company wants to set a standard in providing its service in medium, high & extra-high voltage substation design, engineering, erection, testing & commissioning, substation maintenance, repair & asset management.

  • Quality
  • Standard
  • Technical Expertise
  • Timely Hand Ove
  • Always Dedicated & Devoted
  • World Class & Latest Test Equipments

Setting an international standard in substation engineering and practical integration of modern technologies with existing system.

Meaningful implementation of latest technologies in power sector for industrial growth and improvement of people’s life style by utilizing limited resources but appropriate and justified for the existing power system of our country.

More than 12 years’ experience in power engineering up 400 KV system. Installation, Testing and Commissioning of many AIS & GIS Substations Starting from 33 KV , 132 KV, 230 KV & 400KV including special projects like 132 KV capacitor bank, 230 KV & 400KV Generating Substations and 33 KV GIS substation for various reputed private companies and utility departments like PGCB, BPDB, BREB, WZPDC,DPDC & DESCO.

We have the experience to make a project successful

We take every project as a new challenge to set a new milestone for the company and believe in setting example for any working in the same field and do not believe compromising work quality for the sake of being competitive.

We are equipped with all the best international brand like Omicron, Megger, Vanguard, Doble, GE and Yokogawa technologies to make high quality engineering available and at the same time affordable for Bangladesh Power sector. If you are looking for a partner in developing standard of work we are here for you. We believe in fair price not cheap but faulty engineering. We do not sacrifice specification nor believe in escaping crucial steps to reduce cost. If you want quality in affordable and fair cost, we are always here to be the support for your next project.


  • Medium, High & Extra High Voltage Substation Design, Engineering, Supply, Installation, Testing & Commissioning
  • Substation Project Management & Control
  • Supply of Protective Relays, Control Panel, Relay Panel
  • Supply of Substation Equipment, Control Cable, Power Cable
  • All sorts of cabling works; heat shrinking, termination & joining of Power Cable in GIS or AIS Substation
  • Annual Maintenance of Power Plant Substations and Supply of Transformer Oil
  • Supply of ACSR Conductor, Clamp, Connector, PI & Gantry Structure
  • Soil Resistivity Measurement & Substation Grounding Design
  • System Fault Calculations & Relay Co-ordination
  • Substation Civil Construction
  • Loading, Carrying, Unloading, Installation, Testing & Commissioning of Power Transformers


  • Turnkey solutions
  • Testing & commissioning
  • Civil construction & erection
  • Grounding design & system fault calculation

Other Services

  • Substation Automation System-SAS
  • Design, Supply, Installation, Testing, Commissioning of Substation SCADA & Telecommunication System along with NLDC Integration
  • Asset management
  • Repair & maintenance


Substation Asset Management

Up gradation of Protection of Transformer

  • Old Transformer protective device up gradation /replacement
  • Old relays system testing, re configuring, replacement
  • Unification of monitoring & protection system

Scheduled Maintenance System

  • Yearly diagnostic Test (DGA, SFRA, and Oil BDV & Acidity) & other site test like bushing tan delta etc.
  • Centrifuging / oil replacement program
  • Vital Accessories integrity check replacement