Design & Engineering
A1PES has an enormous amount of field and design experience in Plant and control & protection systems of substations. We have profound experience in AIS & GIS Substations of different Voltage Levels for different types of Substations like Thermal, Solar & Wind power substations.
A1PES have strong team of engineer’s expertise in Basic & Detail engineering who continuously develop innovative, construction friendly and cost-effective designs. A1PES has equipped with latest software’s like Auto CAD, Auto CAD Raster Design, Engineering Base, MICROSTATION, E3 Series.
We can provide a variety of services in High Voltage, Medium Voltage and Low Voltage substations, such as generation of the following drawings, documents:

Single Line & Key Line Diagrams

Control & Protection Schematic Diagrams

Control & protection panel Wiring Diagrams

Control & protection panel GA Drawings

Interface Drawings between Various Equipment’s

Control & Protection Logic Diagrams

Specifications of Switchgear Equipment’s

Control & Protection Schematic Diagrams

Battery Sizing Calculations

Cable Sizing Calculations

Substation Plant Equipment sizing Calculations

Cable Schedules

Termination Sheets

Cable Block diagrams

Modification of Site drawing using AutoCAD Raster

Panel Arrangement Drawings

As-Built Drawings
About us
A1PES strives to provide innovative, valuable, and correct solutions in all aspects of the customer needs.
A1PES is an ISO 9001:2015 Certified electrical engineering company specializing in Project Management, Design, Engineering of HV, MV & LV Substation’s projects.
Our Mission
We would like to be a single source engineering provider bringing to our customers the knowledge base and technological edge at lower costs.
Our Vision
Be one of the leaders in the substation engineering services business and provide global, flexible, speedy, low cost and innovative technology solutions and best in class quality services to the industry.