PKTCL was incorporated on December 15, 2012. PKTCL entered into a TSA on August 6, 2013. The PKTCL project was awarded by the Ministry of Power on September 17, 2013 for a 35-year period from the scheduled commercial operation date of the PKTCL project, on a BOOM basis. We acquired PKTCL from the Sterlite Sponsor in February , 2018.
PKTCL supports the interconnection of the West Bengal state grid and the ISTS and facilitates the exchange of additional power between them. PKTCL was established to strengthen the transmission system in the states of West Bengal and Jharkhand.
PKTCL operates two EHV overhead transmission lines with a total circuit length of approximately 545 ckms in the states of West Bengal and Jharkhand, comprising one 400 kV D/C line of approximately 322 ckms from Kharagpur (West Bengal) to Chaibasa (Jharkhand) and one 400 kV D/C line of approximately 223 ckms from Purulia (West Bengal) to Ranchi (Jharkhand). The Kharagpur-Chaibasa 400 kV D/C transmission line was commissioned in June 2016, while the Purulia – Ranchi 400 kV D/C transmission line was commissioned in January 2017. The project was fully commissioned in January 2017 at a total cost of ₹4,405 million. The net depreciated value of the asset as of December 31, 2020 is ₹ 3,791.60 million.
Details of PKTCL’s transmission lines are set forth as follows:
|Transmission line / Sub-Station||Route Length (ckms)||Specifications||Commission Date||Expiry of term of TSA||Contribution to Total Tariff|
|Kharagpur (WBSETCL)—Chaibasa (PG)||322||400 kV D/C||June 18, 2016||April 19, 2051||54%|
|Purulia PSP (WB)—Ranchi PG||223||400 kV D/C||January 7, 2017||April 19, 2051||46%|
The average quarterly availability of PKTCL since commissioning is set forth in the following table, which is higher than the target availability of 98% under the PKTCL TSA. As of March 31, 2020, the PKTCL TSA had a remaining term of over 31 years.
*Quarterly data is calculated as an average of three months data, based on the monthly availability certificates.