Our Functions
Central Transmission Utility of India Limited

Central Transmission Utility of India Limited

Ministry of Power, GOI vide Gazette Notification dated 09.03.2021 has notified Central Transmission Utility of India Limited (CTUIL), a Government Company as Central Transmission Utility. Accordingly, CTUIL has started functioning w.e.f 01.04.2021 as wholly owned subsidiary of POWERGRID to undertake and discharge all functions of CTU under the Electricity Act, 2003 and functions assigned under regulations/directions by Central Commission/Authority and also any other directions/functions assigned by the Central Government. CTU has been assigned the responsibility of undertaking transmission of electricity through inter-state transmission system and discharge...

Our Functions

  • Planning

    CTU has been assigned the responsibility of undertaking...

  • Communication & Metering

     Communication System has a vital role for safe...

  • Open Access

    CTU is the nodal agency for grant of...

  • BCD

    CERC notified the Central Electricity Regulatory Commission (Sharing...

  • Engineering

    Engineering Department provides Estimated Cost of the Transmission...

  • TBCB

    CTU is the Nodal Agency for administration of...

  • Gati shakti

    PM GatiShakti National Master Plan was launched on...

  • Project Monitoring

    Upcoming Inter-State Transmission System (ISTS) and associated Generation...

  • BPC

    “Bid Process Coordinator (BPC) of the TBCB project...

ISTS Network
Andhra Pradesh Pudducherry Karnataka Telangana Lakshadweep Kerala Tamil Nadu Goa Jammu & Kashmir Ladakh Himachal Pradesh Punjab Chandigarh Uttrakhand Delhi Haryana Rajasthan Uttar Pradesh Gujarat Madhya Pradesh Chhattisgarh Maharashtra Dadra & Nagar Haveli Bihar West Bengal Odisha Jharkhand Sikkim Manipur Tripura Nagaland Mizoram Meghalaya Assam Arunachal Pradesh Andaman and Nicobar

ISTS Network

As on date : 31st Aug' 2026

India

for Plan 13th
  • 315

    Substations (No.)
  • 612580

    Transformation Capacity (MVA)
  • 218199

    Transmission Line (CKM)
  • 1,20,340

    Inter Region Capacity

North-Eastern Region

for Plan 13th
  • 27

    Substations (No.)
  • 9620

    Transformation Capacity (MVA)
  • 11689

    Transmission Line (CKM)

Northern Region

for Plan 13th
  • 105

    Substations (No.)
  • 217690

    Transformation Capacity (MVA)
  • 65975

    Transmission Line (CKM)

Eastern Region

for Plan 13th
  • 52

    Substations (No.)
  • 71350

    Transformation Capacity (MVA)
  • 33250

    Transmission Line (CKM)

Western Region

for Plan 13th
  • 67

    Substations (No.)
  • 209335

    Transformation Capacity (MVA)
  • 66240

    Transmission Line (CKM)

Southern Region

for Plan 13th
  • 67

    Substations (No.)
  • 104585

    Transformation Capacity (MVA)
  • 41046

    Transmission Line (CKM)
As on date : 31st Aug' 2026

Under Approval

  • 14

    14

    Schemes

  • 18,020

    18,020

    CKM

  • 1,22,500

    1,22,500

    MVA

Transmission System Under Construction

Under Bidding

  • 23

    23

    Schemes

  • 14,068

    14,068

    CKM

  • 1,44,030

    1,44,030

    MVA

Transmission System Under Construction

Under Construction

  • 244

    244

    Schemes

  • 44,094

    44,094

    CKM

  • 4,64,372

    4,64,372

    MVA

Transmission System Under Construction

Dedicated towards Green Energy

CTUIL as an organization strives to enforce an ecosystem which will boost the renewable energy sector. CTU is dedicated towards facilitating integration of renewable energy sources with the grid in line with vision of Hon’ble Prime minister for achieving targets of renewable energy integration and reduction of carbon footprint. CTU facilitates ease of access of information to generation developers through single window portals line NSWS besides readily available information pertaining to upcoming transmission system for facilitation of RE injection, bay availability and margin.

Transmission system planned in consultation with stakeholders facilitating evacuation of power from 172.5 GW of RE generating capacity (including large hydro), which is about 41% of the total installed electricity generating capacity in the country.

As a significant step towards successfully achieving the planned RE capacity by 2030, transmission system has been planned for about 537 GW of RE capacity.

Helpdesks created from time to time for helping developers understand new regulations, procedure and portals.

The length of the transmission lines and sub-station capacity planned under ISTS for integration of additional wind and solar capacity by 2030 has been estimated as 50,890 ckm and 4,33,575 MVA respectively at an estimated cost of Rs 2,44,200 crores.

Transmission system planned in consultation with stakeholders facilitating evacuation of power from  172.5 GW of RE generating capacity (including large hydro), which is about 41% of the total installed electricity generating capacity in the country.
As a significant step towards successfully achieving the planned RE capacity by 2030, transmission system has been planned for about 537 GW of RE capacity.
Helpdesks created from time to time for helping developers understand new regulations, procedure and portals.
 The length of the transmission lines and sub-station capacity planned under ISTS for integration of additional wind and solar capacity by 2030 has been estimated as 50,890 ckm and 4,33,575 MVA respectively at an estimated cost of Rs 2,44,200 crores.
Calendar Icon 10.09.2026

Supply & Installation of 06 nos of MFP Monochrome Laser Printers for CTUIL...

Calendar Icon 25.08.2026

Appointment of Independent Engineer for “Transmission scheme for evacuation of power from Ratle HEP (850...

Calendar Icon 29.07.2026

Procurement & Installation of 31 no. of Monitors at CTUIL office building at IRCON International...

Calendar Icon 26.07.2026

Cafeteria and Pantry services at CTUIL Office 5th –10th floor, IRCON International Tower-1, Sector-32, Gurugram...

Calendar Icon 24.07.2026

Supply & Installation of 105 no. of All-in-One Desktops for CTUIL office at IRCON International...

Calendar Icon 24.07.2026

Appointment of Independent Engineer for “Eastern Region Generation Scheme-I (ERGS -I)”. Spec. No. CTUIL/IE/2026-27/83/R1....

Calendar Icon 15.07.2026

Appointment of Independent Engineer for “Augmentation of Transformation Capacity by 3x500 MVA, 400/220 KV ICTs...

Calendar Icon 15.07.2026

Appointment of Independent Engineer for “Augmentation of transformation capacity at Banaskantha (Raghanesda) PS (GIS) Spec....

Calendar Icon 02.07.2026

Appointment of Independent Engineer for “Transmission system for evacuation of RE power from Raghanesda Area...

Calendar Icon 01.07.2026

DGR Empanelled ESM Security Service Contract for period of 02(two) years at CTUIL office, IRCON...

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