Just to give a perspective of how Power exchanges fees have evolved, i am putting across the few snippets of orders and parts of business rules from 2015 atleast.
The below para was in CERC Order Dated 08.04.2015 – Commission was only approving the Bye Laws and Rule which specifies the transaction fees
The Power Market Regulations, as of now, do not impose any cap on the transaction fees levied by the Power Exchanges. The Power Exchanges are allowed to levy transaction fees as prescribed by the respective Exchanges as per their Business Rules approved by the Commission.
For IEX, the Business Rules also give them flexibility to specify the transaction charges
Transaction Fees - Fees payable by buyer and seller to Exchange for the quantity approved by nodal RLDC at delivery point as specified by the exchange from time to time.
Rationale was kind of what IEX says : The Commission had allowed exchanges to fix their fees structure for trading at exchange platform, which is similar to the approach being followed by other Regulators like SEBI for Stock and Commodity Exchanges, wherein the Regulator has not fixed transaction fee being charged by the respective exchanges and leaves it to be regulated by the competitive forces. Therefore the approach being followed by the Commission is consistent with the approach being followed by the Stock and Commodity exchange regulators.
IEX Business Rule till CERC order of 9th Oct 2018 - No need to take separate approval
The Exchange will charge a transaction fee as may be specified from time to time on the transactions carried out through the Exchange. Such transaction fee will be computed on value basis or volume basis, as may be decided from time to time, which will be computed on both purchases and sales separately. This will be billed separately on periodic basis and will be recovered from the settlement account of the Member or the Clients, as applicable
IEX business Rules based on CERC Order 9th of October, 2018 – They introduced that they have to take Commission approval before hiking such fees
The Exchange will charge a transaction fee as may be specified from time to time on the transactions carried out through the Exchange. Such transaction fee will be computed on value basis or volume basis, as may be decided from time to time, which will be computed on both purchases and sales separately. This will be billed separately on periodic basis and will be recovered from the settlement account of the Member or the Clients, as applicable. Any changes in the transaction fees shall be effected by Exchange with prior approval of the Commission
Now in 2020 – Power market regulations clause 23, they are introducing the following
“No Power Exchange shall charge transaction fee exceeding such fee as approved by the commission