Protection Engineering Services

About PES Engineering Services At PES, we are committed to delivering consistently high-quality engineering consultancy services that align with our clients’ program schedules and budgetary constraints — all while upholding the highest standards of personal and system safety. Founded in 2022 in Chennai, PES Limited is a registered engineering design consultancy serving the Transmission and Distribution energy sector. We specialize in Secondary Design and Interface Engineering, with proven expertise in protection refurbishment and substation design ranging from 132kV to 400kV. Our Reach We proudly deliver engineering solutions to clients across India and the United Kingdom, adapting to regional standards and project demands with precision and professionalism. Our Core Capabilities - Protection Scheme Interfaces - Wiring Diagrams & Wiring Schedules - Cable Block Diagrams, Cable Schedules & Cable Sizing - Fibre Optic Diagrams - Battery Sizing Calculations - General Arrangement Drawings for Relay Panels - CAD Services & Wiring Interface Design