CTU | Central Transmission Utility of India Limited

Updates

26.08.2025 -
Public Notice for applications from Eligible Generation Projects for extension of time in SCOD
08.08.2025 -
Constitution of Committee for recommending Extension of Time in SCOD for the for specific projects under Regulations of CERC (Sharing on Inter-State Transmission Charges and Losses) Regulations, 2020
20.06.2025 -
PMU Portal Link is available for Internal and External User under Open Access Tab
19.06.2025 -
List of RE Generators whose Connectivity/GNA is expected to be revoked in next three months (upto Aug'25) w.r.t. non-compliance of Regulation 24.6
29.04.2025 -
Notice for Stakeholders Consultation for benchmarking of land requirement for BESS applications and Procedure for Financial Closure.
29.04.2025 -
Lists of Connectivity/GNA Grantees expected be revoked by next three months w.r.t. noncompliance of Regulation 24.6 of CERC Connectivity/GNA Regulations, 2022
09.04.2025 -
ISTS Communication Rolling Plan 2029-30
31.03.2025 -
ISTS Rolling Plan 2029-30
19.03.2025 -
Stakeholders Comments on Draft format of Connectivity Intimation as per CERC GNA Regulations, 2022
13.03.2025 -
Appointment of Consultant For feasibility study of India – Saudi Arabia grid interconnection

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...

ISTS Network

As on date : 31st Jul' 2025

India

301
Substations (No.)
505680
Transformation Capacity (MVA)
208928
Transmission Line (CKM)
1,20,340
Inter Region Capacity

North-Eastern Region

27
Substations (No.)
9620
Transformation Capacity (MVA)
10946
Transmission Line (CKM)

Northern Region

97
Substations (No.)
169790
Transformation Capacity (MVA)
62111
Transmission Line (CKM)

Eastern Region

52
Substations (No.)
70350
Transformation Capacity (MVA)
33051
Transmission Line (CKM)

Western Region

63
Substations (No.)
171835
Transformation Capacity (MVA)
63519
Transmission Line (CKM)

Southern Region

62
Substations (No.)
84085
Transformation Capacity (MVA)
39301
Transmission Line (CKM)

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.

Central Transmission Utility of India Limited

Updates

Central Transmission Utility of India Limited

Our Functions

Planning

Communication & Metering

Open Access

BCD

Engineering

TBCB

Gati shakti

Project Monitoring

BPC

ISTS Network

India

301

505680

208928

1,20,340

North-Eastern Region

27

9620

10946

Northern Region

97

169790

62111

Eastern Region

52

70350

33051

Western Region

63

171835

63519

Southern Region

62

84085

39301

ISTS Schemes

Under Approval

20

17,510

1,38,000

Under Bidding

17

6,591

71,390

Under Construction

265

43,628

4,09,655

Dedicated towards Green Energy

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