SPML Infra Wins ₹165.41 Crore Rajasthan Substation Contract
Key highlights
- SPML Infra secured a ₹165.41 crore contract from RRVPNL for a 400 kV grid substation at Dahra in Kota, Rajasthan.
- The project includes one 500 MVA autotransformer bay and one 420 kV, 125 MVAR shunt reactor bay.
- The disclosed scope also covers two 400 kV feeder bays, three 400 kV tie bays, civil works and automation systems.
- Reports cite an 18-month or 24-month execution period, requiring confirmation through the company’s formal disclosure.
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SPML Infra Limited has secured a ₹165.41 crore contract from Rajasthan Rajya Vidyut Prasaran Nigam Limited to construct a 400 kV grid substation and related transmission infrastructure at Dahra in Kota, Rajasthan. The order adds a high-voltage transmission project to SPML Infra's government-funded power infrastructure portfolio.
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What has SPML Infra won from RRVPNL?
SPML Infra has received a ₹165.41 crore contract from Rajasthan Rajya Vidyut Prasaran Nigam Limited, or RRVPNL, for a 400 kV grid substation and associated transmission infrastructure at Dahra in Kota. RRVPNL is Rajasthan's power transmission utility, and the assignment falls within SPML Infra's power transmission and substation construction activities.
The disclosed scope covers the supply, erection, testing and commissioning of the grid substation. It also includes associated civil works, automation systems and communication infrastructure. The project is designed around high-capacity equipment required for the state's transmission network, including transformer, reactor, feeder and tie bays.
The company has stated that the order was awarded in the normal course of business. Reports based on the company disclosure said additional disclosure under the relevant SEBI circular was not applicable to the award. No financial contribution from the contract beyond its stated order value was disclosed.
What work is included in the Kota substation project?
The Kota project includes one 500 MVA autotransformer bay and one 420 kV, 1x125 MVAR bus-type shunt reactor bay. The contract also covers two 400 kV feeder bays and three 400 kV tie bays, along with the civil, automation and communication components needed to commission the installation.
An autotransformer bay is part of the equipment used to manage voltage transformation within the transmission system. The shunt reactor bay helps manage voltage conditions on the grid. Feeder and tie bays connect the substation to transmission lines and other parts of the network. These features place the contract in the high-voltage grid infrastructure segment rather than in power generation.
When is the RRVPNL project expected to be completed?
The available reports provide differing execution timelines for the RRVPNL project. Several reports describe an 18-month execution period, while other reports state that the work is to be completed within 24 months. SPML Infra's reported order value and project scope are consistent across the supplied material, but the execution period should be assessed against the company's formal regulatory communication.
The work will involve engineering, procurement and construction activities under the contract terms agreed with RRVPNL. The scope requires installation and integration of high-voltage equipment as well as testing and commissioning before the substation can become operational.
For investors, the execution timeline is relevant because such EPC contracts are generally delivered over multiple reporting periods. However, the supplied information does not provide a project-wise revenue recognition schedule, margin guidance, mobilisation status or payment milestones. Those details cannot be inferred from the order announcement alone.
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How does the order fit SPML Infra's power business?
The RRVPNL award fits SPML Infra's established work in government-funded water and power infrastructure. The company has said it has spent more than four decades building pipes, treatment plants and transmission infrastructure, serving drinking-water systems and electricity networks in India.
The order also comes amid SPML Infra's wider activity in transmission and energy-storage projects. In May 2026, the company announced a ₹1,128 crore contract from NTPC for a 250 MW and 1,000 MWh battery energy storage system at Barauni Thermal Power Station in Bihar. That project was stated to have an 18-month construction period followed by 15 years of operations and maintenance.
Separately, SPML Infra announced another Rajasthan transmission contract worth ₹165.41 crore for the Dahra project. The supplied material places the company's market capitalisation at ₹1,696.37 crore, although market values change with share prices and the figure should not be treated as a current valuation without a dated market reference.
What does the RRVPNL order mean for investors and the power sector?
The RRVPNL contract expands SPML Infra's disclosed order activity in high-voltage transmission infrastructure, with the ₹165.41 crore value providing a defined addition to its project pipeline. The contract is directly connected to construction activity in Rajasthan's electricity transmission network, where substations, automation and communication systems are needed to operate grid assets.
The announcement does not provide a share-price reaction, order-book total, expected profitability or funding requirement. Investors therefore cannot establish the order's effect on earnings or valuation from the disclosed facts alone. The principal measurable information is the contract value, the 400 kV scope and the stated execution timeframe, which differs across the available reports.
For the power sector, the contract illustrates continued procurement of transmission equipment and substation capacity by state utilities. The inclusion of a 500 MVA autotransformer bay and a 125 MVAR reactor bay indicates that the assignment involves equipment intended for high-voltage network operations. The supplied information does not specify the project’s commissioning date, renewable-energy linkage or future expansion plans.
Conclusion
SPML Infra's ₹165.41 crore RRVPNL order covers construction and commissioning of a 400 kV grid substation and associated transmission facilities at Dahra in Kota. The project reinforces the company's presence in public-sector power infrastructure alongside its water, transmission and battery-storage work.
The next points to watch are the execution timeline confirmed in SPML Infra's regulatory disclosures, the start of EPC activity and any future updates on project milestones. Investors may also monitor company disclosures for order-book information, revenue recognition and details on the separate NTPC battery-storage project.


