Power is the foundation of any industrial city, and this week brought a concrete update from Dholera. Sterlite Electric's cables are now carrying power on a key transmission link in the region: a 16 km underground 220 kV cable network that connects an existing transmission line to the Dholera-2 Switching Substation, according to a report published by Wire & Cable India on 12 November 2026. For anyone following Dholera Smart City, it is the kind of milestone that is easy to verify and easy to explain. This guide covers what was energised, how it fits into Dholera's power system and what it does and does not mean for the region and for property in Dholera.
Quick Answer: What Was Energised?
Sterlite Electric has supplied and energised a 16 km underground 220 kV cable network that forms part of a transmission link of the Gujarat Energy Transmission Corporation Limited (GETCO). It runs from an existing transmission line to the Dholera-2 Switching Substation. The report says the connection has been operational since July 2026, feeds the Mahadevapura substation and supports power supply to industries across the region, including Tata's semiconductor facility.
What The Report Says, And What It Does Not
The published facts are specific:
- The asset: A 16 km underground 220 kV cable network.
- The utility: GETCO, Gujarat's state transmission utility, which operates under the state's Department of Energy and Petrochemicals.
- The connection: From an existing transmission line to the Dholera-2 Switching Substation.
- The status: Operational since July 2026.
- The beneficiaries: The Mahadevapura substation and industries in the region, including Tata's semiconductor facility.
The report does not give the cable's route in detail, the power capacity carried, the project cost or the reason for choosing an underground design. We therefore avoid guessing at those numbers here.
How Power Reaches Dholera Today
To understand why this link matters, it helps to see how power is organised in the region. According to the Government of Gujarat's Dholera FAQ, the Activation Area, the 22.54 sq km first phase of Dholera SIR, has:
- Two advanced substations, including a 400/220 kV gas-insulated, SCADA-enabled substation developed by Torrent Power, the area's distribution company.
- A present distribution capacity of 500 MVA, scalable to 1,500 MVA.
- A second source in progress: A 220 kV substation is being developed by GETCO to provide dual-source power redundancy.
Industry publications add that GETCO had already established a 220/33 kV Dholera substation along with a 400 kV double-circuit line from Panchham, and that a second source was planned through a new GETCO substation called Dholera-2. The cable now energised fits into that GETCO transmission layer.
Why 'Dual Source' Matters
A semiconductor fab, a data centre or a precision factory cannot tolerate long interruptions. Even a short dip can ruin a batch or reset a process. Utilities therefore aim for redundancy, meaning more than one independent path for power to reach a large customer. If one line or substation fails, another keeps the supply on. The Government of Gujarat's reference to 'dual source power redundancy' reflects exactly this design goal, and the Data Centre Policy 2026-29 also offers dual power feeders and open access to eligible projects.
What Is A 220 Kv Underground Cable?
A 220 kV line carries high-voltage electricity between substations. Most are built as overhead lines on towers. An underground cable does the same job with an insulated cable buried in a trench or laid in ducts. The trade-offs, in general engineering terms, are:
- Less land corridor: Underground cables need a narrower strip than tower lines.
- Less exposure to weather: Wind, birds and lightning affect overhead lines more.
- Less visual impact: Useful in planned urban areas.
- Higher cost and more complex repairs: Cables cost more to install, and finding and fixing a fault takes more work.
The Wire & Cable India report does not say why this link was built underground. Dholera's planning does favour underground utilities, since the Government of Gujarat describes an underground utility network in the Activation Area, but treat that as context, not as the stated reason.
Second-Source Project In The Pipeline
Two official-track items show how the wider plan is progressing:
- Redundant supply from the national grid: A transmission scheme titled 'Additional Transmission System proposed for redundant power supply to Dholera area' involves a 220 kV switchyard and two 500 MVA, 400/220 kV transformers at the Vataman substation, plus two 220 kV line bays for a Vataman to Dholera-2 line. Industry reports described it as drawing about 150 to 200 MW from the Vataman substation to Dholera-2, around 30 to 35 km away. The Central Transmission Utility of India's status report as on 31 May 2026 listed the scheme with a December 2026 target.
- Grid stabilisation at Dholera-2: In May 2026, Gujarat announced a plan to install a ±125 MVAR STATCOM, a device that supports voltage stability, at the upcoming 400 kV Dholera-2 substation and six other substations.
These are plans and targets, so watch for commissioning notices before treating any of them as complete.
Why Power Is The Real Test For Dholera
The region's biggest anchors are power-hungry. Tata Electronics' semiconductor project at Dholera was described in the Commerce Ministry's briefing as a proposed Rs 91,000 crore investment, and a 66.166-hectare SEZ for it was notified on 9 April 2026. In May 2026, Tata Electronics and ASML signed an MoU in which ASML will support the setting up and scaling of the Dholera facility. Our posts on Tata vendor park cover that story.
Data centres add an even larger demand. Deputy Chief Minister Harsh Sanghavi has said Dholera alone is expected to house a data centre cluster of 7 to 8 GW, and the state's policy requires projects that claim incentives to source at least 51% of their power from renewable sources.
A note on scale: the Activation Area's distribution capacity of up to 1,500 MVA and a 7 to 8 GW data centre cluster are different measures for different areas, so they cannot be compared directly. But the gap in order of magnitude explains why transmission links, second sources and new substations are central to Dholera's story. Each cable, substation and line is a step toward making that demand deliverable.
What This Milestone Means
It is a positive, verifiable step. A cable that has been carrying power since July 2026 is operational, not announced.
It is one piece of a larger system. Transmission links, distribution networks, generation and storage all have to work together.
It does not prove future demand. Industries still have to build, hire and operate.
It does not apply to every plot equally. Power availability depends on location, zoning and the distribution licensee's plans.
Confirmed, Planned And Unknown
- Confirmed: A 16 km underground 220 kV cable network is energised and linked to Dholera-2, per the trade report. The Activation Area has substations with 500 MVA capacity, scalable to 1,500 MVA.
- Planned or targeted: The Vataman to Dholera-2 redundancy scheme (December 2026 target in the CTUIL status report) and a STATCOM at Dholera-2.
- Unknown in the sources reviewed: The cable's capacity, cost, route and the exact power served to each customer.
What Buyers Should Take From It
Infrastructure news is useful when you read it carefully. For land buyers, the questions to ask are practical:
- Which Town Planning scheme and zone is the plot in? Utilities are strongest in the Activation Area and expand with later phases.
- How far is the plot from substations, the expressway and the freight line? Distance affects connection cost and timing.
- Who will supply power to the plot, and on what terms? Ask for the distribution licensee and connection process in writing.
If you want to see how location relates to the semiconductor and industrial cluster, Omana's industrial Samridhi 365 plots are described as beside the High Access Corridor, about 500 metres from the Expressway and 1.5 km from the Tata Semiconductor plant. Click here to know more about Dholera's emerging data centre ecosystem
How to track Dholera's Power Milestones
- GETCO and state energy department announcements for substations and lines.
- Central Transmission Utility of India (CTUIL) status reports for the redundancy scheme.
- Government of Gujarat's Dholera FAQ for Activation Area capacity updates.
- Trade publications for equipment and cable commissioning news, as with this report.
Frequently Asked Questions
Q.1 What did Sterlite Electric energise in Dholera?
Ans. A 16 km underground 220 kV cable network that links an existing GETCO transmission line to the Dholera-2 Switching Substation.
Q.2 When did it become operational?
Ans. The report says the connection has been operational since July 2026.
Q.3 Does it supply Tata's semiconductor plant?
Ans. The report says it supports power supply to industries in the region, including Tata's semiconductor facility.
Q.4 What is GETCO?
Ans. The Gujarat Energy Transmission Corporation Limited, the state's transmission utility.
Q.5 Is Dholera's power system complete?
Ans. No. A second-source scheme and grid stabilisation equipment are still targeted or planned.
Talk to Omana Projects
Want to understand how power, roads and zoning relate to a specific plot? Our advisors can walk you through verified options across Dholera Smart City. Call +91 9217104219 or Enquiry here for a consultation and guided site visit.
