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					</table><a href="https://www.coalindia.in/" target="_blank" rel="noopener">Coal India</a> has announced the winner of the auction to appoint an owner’s engineer-cum-engineering consultancy firm for an 187.5 MW/750 MWh battery energy storage system at Telangana Transmission Corporation’s Choutuppal substation.  
The tender was issued on May 19, 2026.  
<a href="https://www.ahasolar.in/" target="_blank" rel="noopener">AHAsolar Technologies</a> secured the auction, which has a contract value of over ₹3.5 million (~$36,359).  
The company must review Telangana Power Generation Corporation’s (<a href="https://tggenco.com/TGGENCO/home.do" target="_blank" rel="noopener">TGGENCO</a>) request for selection and identify the energy storage project’s technical, functional, and performance requirements.  
It must prepare technical specifications for the battery system, power conversion system, transformers, switchgear, supervisory control and data acquisition/emergency management system, fire protection, and associated equipment. 
AHAsolar must assist Coal India during the engineering, procurement, and construction (EPC) pre-bid process and respond to technical queries. It must review and validate the EPC contractor’s designs, drawings, layouts, protection schemes, system architecture, and control systems. 
The company must review vendor documents, equipment datasheets, manufacturing and field quality plans, type-test reports, commissioning procedures, and test protocols. It must verify compliance with tender requirements, grid standards, and applicable IEC, IEEE, Central Electricity Authority, and BIS standards. 
AHAsolar’s scope of work also includes providing technical support during engineering, manufacturing, construction, testing, and commissioning. Additionally, it involves undertaking at least three site visits during the engineering, construction/installation, and testing and commissioning process. 
The company must review commissioning reports, as-built drawings, and operation and maintenance manuals. 
Coal India was one of the <a href="https://www.mercomindia.com/coal-india-saurus-infra-won-tggencos-1-5-gwh-battery-storage-systems-auction" target="_blank" rel="noopener">winners</a> of TGGENCO’s auction to set up 375 MW/1,500 MWh standalone battery storage systems. 
It was also one of the <a href="https://www.mercomindia.com/coal-india-and-onward-solar-win-secis-125-mw-500-mwh-standalone-bess-auction" target="_blank" rel="noopener">winners</a> of Solar Energy Corporation of India’s auction to set up six standalone battery energy storage systems in Odisha, with a cumulative capacity of 125 MW/500 MWh. 
Last December, Mahanadi Coalfields, a subsidiary of Coal India,<a href="https://www.mercomindia.com/mahanadi-coalfields-issues-eoi-for-60-mwh-bess-project-in-odisha" target="_blank" rel="noopener"> invited</a> expressions of interest to set up a 60&#8211;MWh battery energy storage system project in Odisha. 
In September, Coal India <a class="Hyperlink TrackedChange SCXW206201947 BCX8" href="https://www.mercomindia.com/coal-india-floats-epc-tender-for-150-mw-solar-projects-with-bess" target="_blank" rel="noreferrer noopener">floated</a> an expression of interest for the engineering, procurement, and construction of 150 MW of interstate transmission system-connected solar projects with a co-located battery energy storage system.

Coal India Announces Winner of 750 MWh Energy Storage Consultancy Auction

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					</table>Gujarat-based solar company <a href="https://www.ahasolar.in/" target="_blank" rel="noopener">Ahasolar Technologies</a> has received a work order for providing owner’s engineering and project management consultancy services for an 875 MW solar power project from Coal India (CIL) Rajasthan Akshay Urja.
The project is located at Rajasthan Rajya Vidyut Utpadan Nigam’s 2,000 MW Solar Park in Pugal, Bikaner, Rajasthan.
The estimated cost of the work is ₹11.8 million (~$131,268).
The duration of the work is 18 months from the date of receipt of the work order.
The tender was issued in August this year.
Ahasolar will support the construction and commissioning of the solar project by reviewing, checking, and approving EPC contractor drawings and documents, including design basis, engineering specifications, layouts, civil and electrical drawings, control and metering station designs, unit substations, internal lines, trenches, earthing, lighting, and site development works.
They will also verify the bill of materials, construction and erection schedules, QA/QC documents, including manufacturing and site quality plans, and test procedures, and ensure that documentation and plans submitted by the EPC contractor align with project requirements.
During execution, Ahasolar will provide on-site supervision and inspections for civil works, structure erection, module installation, inverter and balance-of-system equipment installation, and will witness pre-commissioning and commissioning tests, validating results and supporting the resolution of deviations.
They will monitor progress through regular reporting and schedule tracking, review O&amp;M documentation, and oversee compliance with environmental and social safeguard requirements during construction and commissioning.
The scope also includes inspection and quality checks of major equipment at manufacturers’ works within India, with provision for about 45 factory inspection visits for the project. The scope is indicative and may include any additional activities required to complete these services successfully.
In August this year, Ahasolar Technologies <a href="https://www.mercomindia.com/ahasolar-wins-consultancy-contract-for-sccls-107-mw-solar-project/" target="_blank" rel="noopener">secured</a> a project management consultancy contract from Singareni Collieries Company for establishing a 107 MW solar project.
Subscribe to Mercom’s <a href="https://mercomindia.com/product/india-solar-tender-tracker/" target="_blank" rel="noopener">India Solar Tender Tracker</a> for timely updates on all solar tenders issued by various agencies in India.

Ahasolar Wins Consultancy Contract for 875 MW Solar Project from Coal India

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					</table><a href="https://www.ahasolar.in/" target="_blank" rel="noopener">Ahasolar Technologies</a> was awarded the consultancy contract for setting up a 52 MW solar power project at Prayagraj, Uttar Pradesh, by Bharat Petroleum Corporation (<a href="https://www.bharatpetroleum.in/" target="_blank" rel="noopener">BPCL</a>).
The company quoted ₹5.1 million (~$61,168) to win the ten-month contract.
BPCL had floated the tender for the project in February.
The company plans to power three of its refineries through the solar project: Mumbai Refinery- 8 MW, Bina Refinery- 22 MW, and Kochi Refinery- 16 MW.
Ahasolar will be responsible for concept to commissioning the project within the agreed schedule, ensuring the quality of procurement items and construction workmanship is in line with established engineering practices, standards, and codes, and project risk management.
It must also prepare and finalize all engineering and tender documents, technical specifications, and the engineering, procurement, and construction (EPC) contract terms and manage the technical and financial evaluation of EPC bids received by BPCL.
Ahasolar must plan and supervise the project execution and commissioning activities and provide post-commissioning support until the project is stabilized.
In August 2022, BPCL <a href="https://www.mercomindia.com/bpcl-14-mw-solar-project-in-madhya-pradesh" target="_blank" rel="noopener">invited</a> bids to hire a contractor to set up a 14 MW grid-connected solar power project on a turnkey basis at its Bina Refinery in Madhya Pradesh.
In November of the same year, the company also <a href="https://www.mercomindia.com/bpcl-consultancy-tender-6-9-mw-floating-solar-kerala" target="_blank" rel="noopener">issued</a> a tender to hire consultancy services to set up 6.9 MW of floating solar power projects in the rainwater harvesting pond and shore tank farm in Kochi, Kerala. The consultant will be responsible for assessing two floating solar power projects under the tender. The first one will be for approximately 3.2 MW capacity in a rainwater harvesting pond inside Kochi Refinery. Another 3.7 MW floating solar project will be commissioned inside the Kochi Refinery shore tank farm.
Recently, BPCL <a href="https://www.mercomindia.com/bpcl-invites-bids-green-hydrogen-cochin-airport" target="_blank" rel="noopener">invited</a> bids to set up a green hydrogen plant and refueling station at the 100% solar-powered Cochin International Airport in Kochi, Kerala.
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 tender activity in real time.

Ahasolar Wins Consultancy Contract for 52 MW Solar Project from BPCL

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