Electro-Mechanical works (8 contract packages) in PHPA-I and awarded accordingly to various contractors
| Contract Package | Name of the Contract | Agency | Contract Award Date | Physical Progress (31.05.2023) |
| MEM-1 | Design, Manufacture, Supply, Storage, Erection, Testing and Commissioning of Generating Units with associated Auxiliaries and Pressure Shaft Butterfly Valve including EOT Cranes | M/s BHEL, New Delhi, India | 7.01.2010 | 97.53% |
| MEM-2 | Design, Manufacture, Supply, Storage, Erection, Testing and Commissioning of 13.8/420kV Generator Transformers, 400/220kV ICT & 80MVAR Shunt Reactor, SATs, UATs and SSTs, PHY Equipment, IPBDs and Insulating Oil Handling and Purification System. | M/s BHEL, New Delhi, India | 9.02.2012 | 88.07% |
| MEM-3 | Design, Manufacture, Supply, Storage, Erection, Testing & Commissioning of 420kV & 245kV GIS System & associated equipment. | M/s Hyosung Heavy Industries Corporation, South Korea | 9.02.2012 | 99.1% |
| MEM-4 | Design, Manufacture, Supply, Storage, Erection, Testing and Commissioning of 400kV Insulated XLPE Power Cables & Accessories | M/s Sudkabel GmbH, Mannheim, Germany | 4.5.2011 | 98.16% |
| MEM-5 | Design, Manufacture, Supply, Storage, Erection, Testing & Commissioning of HT/LT Switchgears, 220V DC Supply System and Power Cables. | M/s Schneider Electric Infrastructure Ltd., Noida, India | 27.10.2013 | 93.36% |
| MEM-6 | Design, Engineering, Manufacture, Erection, Testing & Commissioning of Air Conditioning and Ventilation System for the Underground Powerhouse. | M/s Bhutan Automation and Engineering Limited | 5.12.2018 | 18.46% |
| MEM-7A | Design, Engineering, Manufacture, Supply, Transportation, Insurance, Storage, Erection, Testing & Commissioning of Fire Detection and Protection System for Underground Powerhouse. | M/s S.K. Systems Pvt. Ltd., Delhi, India. | 03.10.2019 | 81.22% |
| MEM-7B | Design, Engineering, Manufacture, Supply, Transportation, Insurance, Storage, Erection, Testing & Commissioning of Fire Detection and Protection System for Underground Powerhouse. | M/s Technico (India) Pvt. Ltd., Kolkata, India | 03.10.2019 | 81.22% |
| MEM-8A | Design, Engineering, Manufacture, Supply, Transportation, Insurance, Storage, Erection, Testing & Commissioning of Illumination System for Underground Powerhouse & Dam Complex. | M/s Avaids Technovators Pvt. Ltd., New Delhi | 03.12.2020 | 84.92% |