### **Overview** Power Grid Corporation of India Limited (POWERGRID) is India’s largest power transmission utility and a ‘Maharatna’ Central Public Sector Enterprise (CPSE) under the Ministry of Power. It operates one of the world’s most extensive and technologically advanced transmission networks, accounting for approximately **84% of India’s inter-regional transmission capacity**. With a mission to enable national energy integration, the company plays a pivotal role in achieving India’s "One Nation, One Grid, One Frequency" vision and aligning with the target of **500 GW non-fossil energy capacity by 2030**. --- ### **Core Transmission Infrastructure (Latest as of Aug 2025)** - **Transmission Network:** - 180,000 circuit kilometers (ckm) of transmission lines - 1,500 transmission lines - 286 substations - 5,71,000 MVA transformation capacity - **Key Asset Highlights:** - 101 GW inter-regional transmission capacity (84% of India's 120 GW total) - 18 HVDC stations (among the highest globally) - **69 ultra-high-voltage 765 kV substations** – the **most extensive network in the world** - 20 STATCOMs/SVCs and 67 GIS transformers for grid stability - Over 290,000 transmission towers across diverse terrains (deserts, mountains, flood-prone zones) - **System Performance:** - **System Availability: 99.84%** (one of the highest globally) - Tripping rate: 0.28 incidents per line, indicating high reliability - **Digital Transformation:** - Commissioned the **world’s first 765 kV digital substation** in Navsari, Gujarat, using fiber-optic communication to eliminate EMI risks and enable **remote commissioning and online testing** - Previously commissioned India’s first 400 kV digital substation in Malerkotla, Punjab, and a greenfield 220/66 kV digital substation in Chandigarh - Over **280 substations remotely operated** from the Manesar Control Center --- ### **Strategic Expansion Beyond Transmission** POWERGRID is actively diversifying into **renewables, energy storage, green hydrogen, data centers, smart grids, and international infrastructure**, positioning itself as a full-spectrum clean energy infrastructure integrator. #### **1. Renewable Energy & Green Hydrogen** - **85 MW Solar PV Plant** commissioned at **Nagda, Madhya Pradesh (April 2025)** - Sells 70–80% of power via Green Day Ahead Market and real-time exchanges - Natural ester oil used in transformers for environmental sustainability - **Pilot Green Hydrogen Project** at **Neemrana Substation**: - Solar-powered hydrogen production during the day, stored and converted back to electricity at night - A closed-loop energy storage system aimed at validating technical and commercial viability - **Future Goal:** Become a **major player in green hydrogen and BESS** within 2–3 years #### **2. Battery Energy Storage Systems (BESS)** - Planning to participate in a **2,000 MW / 4,000 MWh BESS tender in Rajasthan**, marking a strategic entry into the grid-scale storage market - Prior experience: Implemented a **1 MW / 500 kWh BESS** in Puducherry using hybrid technologies (Lead-Acid + LiFePO4) for frequency regulation and renewable time-shifting #### **3. Data Center & Telecom Expansion** - **PowerTel**, the wholly-owned telecom subsidiary, operates a **100,000+ km overhead fiber optic network** on EHV transmission lines (OPGW) - Backbone availability: **99.99%** - Revenue: ₹289 crore in first half of FY25 (up from ₹246 crore YoY) - New orders: ₹58 crore; service expanded to **500 cities** - Commissioned **first international ILD link with 10 Gbps capacity** - **Data Center Project:** - **1,000-rack commercial data center under development at Manesar 400 kV substation** - Phase I: ₹700+ crore; Phase II expansion estimated at ₹2,000 crore - Government support via CERC approval for land use - Strategic focus: Government-owned data centers to meet national infrastructure needs --- ### **Consultancy & International Business** - **Consultancy Segment:** - Revenue: ₹329 crore in Q1 FY26, with ₹153 crore expected from **smart metering projects** - **70+ ongoing projects**, including 11 new orders in recent months - Revenue reached ₹799 crore in FY25, up from ₹553 crore in FY24 (44% growth) - Key domestic projects: Andaman & Nicobar interconnection, RDSS smart metering, NERPSIP - **Global Footprint:** - Operations in **24 countries** across Africa, South Asia, Central Asia, Middle East, SAARC, BIMSTEC - Secured **16 international and 55 domestic consultancy orders** in FY25 - New business prospects in USA, Australia, Nepal, Kenya, Tanzania - Finalizing **400 kV and 220 kV transmission project with Kenya**, expected to be signed soon - Joint ventures with **Africa50** in Kenya and Tanzania under PPP models --- ### **Technology & Innovation** POWERGRID continues to lead in **digitalization, automation, and indigenization**: - **Inspection & Monitoring:** - **AI/ML-powered Substation Inspection Robots** (developed with IIT Kanpur) deployed in Kanpur and Jhatikara; expansion underway - **UDAN (Unique Digital Analysis of Assets and Network)** – a GIS-linked dashboard for real-time decision-making - **PG AMRIT** – AI tool for automated defect detection in tower images via PG-DARPAN platform - Wireless strain gauges and mobile GIS bays (for disaster recovery in 6–8 hours) - Drone-based patrolling with **AI-driven analytics** for preventive maintenance - **R&D & Advanced Tech Development:** - Developing **SF6-free circuit breakers** at 145 kV (to scale to 400 kV), reducing environmental impact - **Super-hydrophobic coating** for insulators to improve self-cleaning and anti-icing performance - Mobile GIS bays, heavy-lift programmable drones for remote hilly areas - Non-destructive testing methods for tower structural assessment - **Patents & Standards:** - Holds multiple **Indian patents**, including: - Centralized online transformer health monitoring (Patent No. 418166) - "Smart Socket and Home Energy Manager" with IIT Kharagpur - **ISO 55001 certified** for asset management – a global benchmark - Protection lab at **PARTeC (Manesar)** accredited by **UCAIug for IEC 61850 testing** – only 2nd utility globally --- ### **Project Wins & Pipeline (Recent Highlights)** - **Major Transmission Contracts Secured:** - **Khavda–Nagpur HVDC Project**: 6,000 MW, ±800 kV – **India’s first TBCB HVDC project** - **Kurnool Phase I**: 4.5 GW for renewable evacuation - **Khavda Phase IV, Part B**: 7 GW evacuation system - Rajasthan Phase IV (Part 4, Part A): Evacuation from Bikaner to Siwani and onward to Haryana, Punjab, Delhi - **Digital & Greenfield Projects:** - World’s first **765 kV digital substation** at Navsari - India’s first **132/33 kV ICT retrofitted with natural ester oil** at Pusauli - **TBCB Leadership:** - Won **8 out of 13 TBCB bids in Q2**, capturing **78% of annual tariff value** - Over **₹1.9 lakh crore transmission pipeline projected by 2032**, including ₹1.36L cr for ISTS --- ### **Financials & Capital Allocation** - **Capital Expenditure:** - **₹12,500 crore** achieved in FY24 (exceeded ₹8,800 cr target) - **Target: ₹18,000+ crore for FY25** - **₹9.16 lakh crore total planned investment (2022–2032)**: - ₹6.6L cr: Inter-State Transmission System (ISTS) - ₹2.55L cr: Intra-State Transmission System (InSTS) - **Debt Strategy:** - Exploring **foreign currency borrowing** to diversify funding (e.g., **$200M green loan from SMBC**, with greenshoe to $350M) - More competitive rates (e.g., TONA) vs. INR debt - **Revenue Diversification:** - **Transmission: ~97% of total revenue** (regulated under RTM and TBCB) - **Telecom**: ₹289 cr (H1 FY26), growing via ILD and data centers - **Consultancy**: ₹329 cr (Q1 FY26), strong order book - Projected new business (solar, smart meters, data centers) to contribute **₹2.07 trillion by 2032** --- ### **Sustainability & CSR Initiatives** - **Environmental Innovation:** - Use of **natural ester oil** in reactors and transformers – **non-hazardous disposal** per Indian regulations - **Induced power harvesting** from earth wires to eliminate diesel generators at telecom sites – **saves 40–50 tonnes of CO₂ annually per site** - **Skill Development:** - Establishing skill centers at **Rajgad and Rourkela** to train workforce for high-altitude tower work - **Social Impact:** - Executing transmission projects in border and remote areas (Leh, Ladakh, Arunachal) - Partnered with ISRO for satellite-based monitoring of towers - Implementing smart metering, distribution reforms in Andaman & Nicobar, J&K, NE states