Kamuthi Solar Power Project

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Kamuthi Solar Power Project
LocationKamuthi, Tamil Nadu
Coordinates9°20′51″N 78°23′32″E / 9.347568°N 78.392162°E / 9.347568; 78.392162Coordinates: 9°20′51″N 78°23′32″E / 9.347568°N 78.392162°E / 9.347568; 78.392162
Construction beganFebruary 2016
Commission dateMarch 2017
Construction costRs 4 550 crore = 699 MUSD (2017)
Owner(s)Adani Power
Solar farm
TypeFlat-panel PV
Site resourceappr 2100 kWh/(m2*yr)
Site area2,500 acres (10 km2)
Power generation
Nameplate capacity648 MWp
Capacity factor24 %
Annual net outputAppr. 1.35 TWh/yr

Kamuthi Solar Power Project is a photovoltaic power station spread over an area of 2,500 acres (10 km2) in Kamuthi, Ramanathapuram district, 90 km from Madurai, in the state of Tamil Nadu, India.[1] The project was commissioned by Adani Power.[2] With a generating capacity of 648 MWp at a single location, it is the world's sixth largest (as of 2018) solar park.[3][4]

ABB commissioned five sub-stations to connect the solar park with the National Grid on 13 June 2016.[5][6] The Kamuthi Solar Power Project was completed on 21 September 2016 with an investment of around 4,550 crore (equivalent to 49 billion or US$680 million in 2018).[7] The solar plant consists of 2.5 million solar modules, 380,000 foundations, 27,000 metres of structures, 576 inverters, 154 transformers, and almost 6,000 km of cables.[8][9] Construction of the structures needed to mount the solar panels required 30,000 tonnes of galvanised steel.[10] Around 8,500 workers installed an average of 11 MW of capacity per day to complete the project within 8 months.[11][12]

The entire solar park is connected to a 400 kV substation of the Tamil Nadu Transmission Corp.[13] The solar panels are cleaned daily by a self-charged robotic system.[14]

Given the solar resource of around 2100 kWh/(m2*yr) an annual generation of 1.35 TWh/yr may be possible.[15] This corresponds to a capacity factor (or average power) of 24% of the peak capacity 648 MWp. Assuming a technical life time of 25 years the investment cost is 700 MUSD/(25*1.35 TWh) = 2 US cent/kWh.

See also[edit]


  1. ^ "India Builds World's Largest Solar Power Plant, Covering 2,500 Acres". CleanTechnica. Retrieved 20 March 2017.
  2. ^ PTI (15 March 2015). "Adani plans 1,000MW solar power plant at Ramanathapuram". Times of India. Retrieved 14 June 2016.
  3. ^ "World's largest solar project starts feeding electricity into national grid". Uniindia.com. 9 June 2016. Retrieved 14 June 2016.
  4. ^ "India unveils the world's largest solar power plant". Al Jazeera. Retrieved 31 December 2016.
  5. ^ PTI. "ABB links 648 MW solar project at Kamuthi with national grid". Economic Times. Retrieved 14 June 2016.
  6. ^ "ABB connects power to the Indian grid from one of the world's largest solar plants". Abb.com. Retrieved 14 June 2016.
  7. ^ "Adani Group launches world's largest solar power plant in Tamil Nadu - Times of India".
  8. ^ "Adani dedicates to nation world's largest solar power plant in TN : The Hindu Business Line - Mobile edition". M.thehindubusinessline.com. Retrieved 21 September 2016.
  9. ^ The Hindu Business Line. "CDM: Adani dedicates to nation world's largest solar power plant in TN".
  10. ^ "Kamuthi Solar Power Plant in India is now operational". Alternative energy news and resources updated daily. 29 November 2016. Retrieved 20 March 2017.
  11. ^ "Gautam Adani unveils world's largest solar power plant in Tamil Nadu". The Economic Times. Retrieved 20 March 2017.
  12. ^ Bhattacharya, Ananya. "India built the world's largest solar plant in record time". Quartz. Retrieved 20 March 2017.
  13. ^ Livemint. "CDM: Adani unveils world's largest solar plant in Tamil Nadu".
  14. ^ "World's largest solar power plant unveiled in Tamil Nadu". The Indian Express. 30 November 2016. Retrieved 20 March 2017.
  15. ^ "India Solar Resource - Global Horizontal Irradiance - Annual Average, by NREL, National Renewable Energy Laboratory".