Impact of sub-hourly bidding in power exchanges in India

Multiple Power Exchanges were introduced in India in 2008 and began with an hourly bidding structure. This paper details the impact of 15 minute bidding introduced in Power Exchanges in India from April, 2012 on the portfolio management of utilities. A literature survey of international practices has also been carried out. It is observed that the 15 minute bidding has modified the scheduling pattern, ramping behaviour, portfolio management of state utilities, price discovery and helped in integration of renewable energy in the Indian Electricity Market.