ToD tariff for utilities: Status of implementation of ToD tariff in different states

The states of Assam, Bihar, Chhattisgarh, Gujarat, Himachal Pradesh, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Orissa, Tamil Nadu, Tripura, Uttrakhand, Uttar Pradesh and West Bengal have implemented Time of Day (ToD) tariffs, albeit only for large and commercial consumers. However, ToD tariffs are yet to be enforced in Andhra Pradesh, Delhi, Haryana, Jammu & Kashmir, Punjab, Rajasthan, Manipur, Meghalaya and Arunachal Pradesh. In the case of Delhi, however, certain other charges are levied for the purpose of demand management.
 Key details regarding implementation of ToD tariff are highlighted below:
 Initiation: ToD tariff had been mentioned right from the first Tariff Order in the states of Madhya Pradesh, Chhattisgarh, Gujarat, West Bengal, Assam and Tamil Nadu 
Information availability: Though the states have specified ToD tariffs for high tension (HT) industrial and commercial consumers to begin with, but lack of load profiling data has impacted implementation, rationalization and design of ToD tariffs for other consumer categories Tariff regulation in West Bengal has provisions for time-based tariff for supply of power from generation plants.
Applicability: 
ToD tariff is compulsory for HT and extra high tension (EHT) consumers in states like Maharashtra, West Bengal, Himachal Pradesh, Madhya Pradesh, Gujarat, Uttarakhand, Uttar Pradesh, Kerala, Tamil Nadu and Tripura. 
 ToD tariff is compulsory in states like Uttarakhand, Maharashtra, WB for LT consumers (non-residential/ /commercial/ industry) and MV consumers (commercial/ industry) above a certain threshold load 
  In Tripura, ToD tariff is compulsory for low tension (LT) consumers having a 3-phase connection with a connected load of 3kW and above, subject to availability of ToD meters.
 Time period: Peak hours, off-peak hours and normal hours vary from state to state. 
  Uttarakhand and Himachal Pradesh have different time periods for summers and winters. 
 WB has specified different time periods for different consumer categories. Also, the tariff specified  for a consumer category varies according to season.
  In Gujarat, only peak hour charges are applicable for HTP consumers. 
  Karnataka has symmetric peak hour and off-peak hour energy charges/rebates.