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					</table><p><a href="https://www.chennaiport.gov.in/" target="_blank" rel="noopener">Chennai Port Authority</a> has invited bids to develop a grid-connected rooftop solar project under the renewable energy service company (RESCO) model.</p>
<p>The 2 MW project will be installed on four export-import (EXIM) godowns, and the selected installer will be responsible for its operation and maintenance for 25 years.</p>
<p>The estimated project cost is ₹120 million (~$1.27 million).</p>
<p>The last date to submit bids is November 6, 2026. Bids will be opened on November 7.</p>
<p>Bidders must furnish an earnest money deposit of ₹2.4 million (~$25,324).</p>
<p>The successful bidder must submit a performance security of ₹6 million (~$63,311), equivalent to 5% of the estimated project cost.</p>
<p>The ceiling tariff has been set at ₹4.50 (~$0.0475)/kWh.</p>
<p>The scope of work includes design, engineering, supply, installation, testing, and commissioning of the rooftop solar project, along with associated electrical infrastructure, metering, grid protection, monitoring, and supervisory control and data acquisition systems.</p>
<p>The selected installer will also obtain the necessary statutory approvals, secure grid connectivity, and operate and maintain the project throughout the 25-year agreement period.</p>
<p>The project must be completed within 180 days from the zero date.</p>
<p>The installer must guarantee a minimum capacity utilization factor of 16%. The annual energy supply requirement for the first year is 2,803.20 MWh, with an annual degradation allowance of 0.55% from the second year. The projected energy supply for the 25th year is 2,455.66 MWh.</p>
<p>Bidders must satisfy one of two technical experience criteria.</p>
<p>Under the first criterion, bidders must have completed solar power projects under the capital expenditure model during the preceding seven years, meeting any one of the following thresholds:</p>
<ul>
<li>Three projects, each valued at a minimum of ₹48 million (~$506,489).</li>
<li>Two projects, each valued at a minimum of ₹60 million (~$633,112).</li>
<li>One project valued at a minimum of ₹96 million (~$1.01 million).</li>
</ul>
<p>Alternatively, bidders must have completed solar projects under the capital expenditure or RESCO model during the preceding seven years, meeting any one of the following capacity thresholds:</p>
<ul>
<li>Three projects, each with a minimum capacity of 800 kW.</li>
<li>Two projects, each with a minimum capacity of 1 MW.</li>
<li>One project with a minimum capacity of 1.6 MW.</li>
</ul>
<p>Under either criterion, bidders must have successfully operated and maintained at least one solar power project with a capacity of 800 kW or more for over one year.</p>
<p>Bidders must have an average annual turnover of at least ₹36 million (~$379,867) during the financial years 2023-24, 2024-25, and 2025-26.</p>
<p>They must also have a minimum net worth of ₹18 million (~$189,934) and working capital or an available line of credit of at least ₹18 million (~$189,934).</p>
<p>Solar modules used in the project must comply with the Ministry of New and Renewable Energy&#8217;s Approved List of Models and Manufacturers requirements.</p>
<p>The environmental attributes associated with the project&#8217;s generated electricity will belong to Chennai Port Authority.</p>
<p>Recently, Chennai Port Authority <a href="https://www.mercomindia.com/chennai-port-authority-tenders-solar-project-with-battery-storage/" target="_blank" rel="noopener">invited</a> bids to develop a grid-connected  3 MW solar project integrated with a 1 MW/4 MWh battery energy storage system under the RESCO model.</p>
<p>Subscribe to Mercom’s <a href="https://www.mercomindia.com/product/india-solar-tender-tracker" target="_blank" rel="noopener">India Solar Tender Tracker</a> to stay on top of real-time tender activity.</p>


Chennai Port Authority Invites Bids for Rooftop Solar Project


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					</table><p>The <a href="https://www.chennaiport.gov.in/" target="_blank" rel="noopener">Chennai Port Authority</a> has invited bids to develop a grid-connected solar project integrated with a battery energy storage system (BESS) under the renewable energy service company (RESCO) model.</p>
<p>The 3 MW solar plus 1 MW/4 MWh storage project will be installed across six export-import (EXIM) godowns at Chennai Port in Tamil Nadu.  The developer must operate and maintain the integrated solar and storage project for 25 years.</p>
<p>The last date to submit bids is November 6, 2026. Bids will be opened the following day.</p>
<p>Bidders must furnish an earnest money deposit of ₹4 million (~$41,472).</p>
<p>The successful bidder must submit a performance security of ₹10 million (~$103,681) within 14 days of receiving the letter of acceptance or work order.</p>
<p>The maximum permissible tariff is ₹6.55 (~$0.0679)/kWh.</p>
<p>The selected developer will be responsible for the design, engineering, financing, supply, installation, testing, commissioning, operation, and maintenance of the solar project and BESS.</p>
<p>The developer must also obtain the necessary statutory approvals, arrange grid connectivity, install metering and protection systems, and bear the associated regulatory and interconnection costs.</p>
<p>The project must be completed within 180 days from the date Chennai Port Authority hands over the project sites to the developer, subject to extensions permitted under the contract.</p>
<p>The tender allows phased commissioning because four of the six godowns are available for installation, while the remaining two require roof replacement.</p>
<p>The first phase must include rooftop solar installations at four godowns and the complete 4 MWh BESS, along with the associated electrical and monitoring systems. The developer can begin billing for electricity supplied from the commissioned portion after receiving the relevant commissioning certificate.</p>
<p>The remaining solar installations must be completed after Chennai Port Authority hands over the other two godowns. The contractual operation and maintenance period will commence upon full commissioning.</p>
<p>The solar project must achieve a minimum annual energy supply of 4,204.8 MWh in the first contract year, corresponding to a capacity utilization factor of 16%.</p>
<p>The minimum guaranteed annual energy supply will decline by 0.55% each year to account for solar module degradation. The developer must maintain the prescribed energy supply throughout the contract period.</p>
<p>The BESS must have a minimum rated energy capacity of 4 MWh and a depth of discharge of at least 80%, providing an initial usable energy capacity of 3.2 MWh.</p>
<p>The battery must achieve a minimum AC-to-AC round-trip efficiency of 90% and deliver at least 330 full discharge cycles annually. The minimum guaranteed annual BESS discharge energy is 1,056 MWh in the first contract year.</p>
<p>The tender allows a 2% annual reduction in usable battery capacity from the second contract year. The developer must augment, repair, or replace the battery at its own cost to meet the applicable capacity and performance guarantees.</p>
<p>The BESS must be charged exclusively from the solar project. Charging from the grid or Chennai Port Authority’s electrical system is prohibited.</p>
<p>Bidders must have a minimum average annual turnover of ₹60 million (~$622,084) over the three financial years ending March 31, 2026.</p>
<p>They must also have a minimum net worth of ₹30 million (~$311,042) and working capital or available bank credit of at least ₹30 million (~$311,042).</p>
<p>In March this year, Chennai Port Authority <a href="https://www.mercomindia.com/chennai-port-authority-invites-bids-for-2-mw-rooftop-solar-project/" target="_blank" rel="noopener">invited</a> bids to set up a 2 MW grid-connected rooftop solar project at its EXIM godown under the RESCO model.</p>
<p>Subscribe to Mercom’s <a href="https://mercomindia.com/product/india-solar-tender-tracker/" target="_blank" rel="noopener">India Solar Tender Tracker</a> to stay on top of the real-time tender activity.</p>


Chennai Port Authority Tenders Solar Project with Battery Storage


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					</table><p><a href="https://www.chennaiport.gov.in/home" target="_blank" rel="noopener">Chennai Port Authority</a> has invited bids to set up a 2 MW grid-connected rooftop solar project at its export-import (EXIM) godown under the renewable energy service company (RESCO) model.</p>
<p>The scope of work includes the feasibility of installation on the identified rooftop on the shed; obtaining a no-objection certificate from the distribution company for grid connectivity; execution of the power purchase agreement; and the complete design, engineering, erection, and commissioning of the project, including operation and maintenance for 25 years.</p>
<p>The last date to submit bids is April 9, 2026. Bids will be open the following day.</p>
<p>Bidders must submit ₹2.4 million (~$25,901) as an earnest money deposit. The successful bidder must deposit 5% of the estimated project cost within 14 days of receipt of the order as a performance bank guarantee towards the fulfilment of the contract conditions.</p>
<p>The estimated cost of the project is ₹120 million (~$1.29 million).</p>
<p>Chennai Port Authority has set the ceiling tariff at ₹5.46/kWh (~$0.058).</p>
<p>The successful bidder must complete the project work within 180 days from the date of issue of the work order.</p>
<p>The average annual financial turnover of bidders during the last three financial years should be at least ₹36 million (~$388,516).</p>
<p>They should have completed three similar works of ₹48 million (~$518,021) each, or two similar works of ₹60 million (~4647,526) each, or one similar work of ₹96 million (~$1.04 million) during the last seven years.</p>
<p>Alternatively, they should have completed three similar works of 0.8 MW each, or two similar works of 1 MW each, or one similar work of 1.6 MW during the last seven years.</p>
<p>Preference will be given to Class I and Class II local suppliers. The minimum local content for Class I and Class II local suppliers should be 50% and 20%, respectively, or as decided by the relevant nodal ministry for the item.</p>
<p>The solar modules used in the project should be from the Approved List of Models and Manufacturers as per the order of the Ministry of New and Renewable Energy.</p>
<p>Last December, Chennai Port Authority <a href="https://www.mercomindia.com/chennai-port-authority-floats-tender-for-2-mw-rooftop-solar-project" target="_blank" rel="noopener">floated</a> a tender for a 2 MW grid-connected rooftop solar project at its EXIM godowns.</p>
<p>Subscribe to Mercom’s <a href="https://mercomindia.com/product/india-solar-tender-tracker/" target="_blank" rel="noopener">India Solar Tender Tracker</a> to stay on top of the real-time tender activity.</p>


Chennai Port Authority Invites Bids for 2 MW Rooftop Solar Project


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					</table><p>The <a href="https://www.chennaiport.gov.in/" target="_blank" rel="noopener">Chennai Port Authority</a> has floated a tender for a 2 MW grid-connected rooftop solar project at its EXIM godowns in Chennai, Tamil Nadu.</p>
<p>The project will be implemented across four locations, EXIM Godown 1, 2, 3, and 4, within the Chennai Port Authority premises.</p>
<p>The bids must be submitted by December 31, 2025.</p>
<p>The scope of work includes the site survey, planning, design, engineering, procurement, and supply of equipment, as well as the installation, testing, and commissioning of the projects.</p>
<p>The successful bidder must obtain all statutory approvals, complete civil and electrical works, and ensure grid interconnectivity with the projects.</p>
<p>The scope also includes the operation and maintenance of the project for 25 years from the date of commissioning.</p>
<p>The total installed capacity will be 2 MW, using grid-connected rooftop solar technology based on crystalline silicon modules. The port authority will provide access to the rooftops of the four EXIM godowns.</p>
<p>The project will be connected to the grid at 11 kV, with power stepped up from low voltage through a transformer. Metering will be carried out at the 11 kV side through both a net meter and a generation meter.</p>
<p>Bidders must have completed at least one grid-connected rooftop solar project of not less than 1.6 MW with associated operation and maintenance, or two separate projects of 1 MW each, or three projects of 0.8 MW each.</p>
<p>The power purchase agreement will be valid for 25 years.</p>
<p>The tender specifies a minimum guaranteed annual energy generation of 280,000 units, which the developer must meet over the contract period.</p>
<p>The project must be completed within nine months from the letter of award.</p>
<p>The solar modules must comply with the latest IEC or equivalent BIS standards. Module capacities below 600 Wp cannot be used in the project.</p>
<p>India <a href="https://www.mercomindia.com/product/rooftop-solar-market-report-q3-2025" target="_blank" rel="noopener">added</a> a record 4.9 GW of rooftop solar capacity in the first nine months of the calendar year 2025. Installations rose nearly 161% compared to nearly 1.9 GW installed in the same period in 2024, according to Mercom India’s Q3 2025 India Rooftop Solar Market Report.</p>
<p>Subscribe to Mercom’s <a href="https://mercomindia.com/product/india-solar-tender-tracker/" target="_blank" rel="noopener">India Solar Tender Tracker</a> to stay on top of the real-time tender activity.</p>


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