Eligible Entities

• All wind and solar energy generators with individual or combined capacity of 1 MW and above connected to the state grid independently or through pooling station.
• All wind and solar generators of any capacity connected to the state grid through pooling stations with total capacity of 1 MW and above.

Forecasting & Scheduling

• Qualified Coordinating Agency (QCA) shall provide day-ahead and a week ahead schedule to the SLDC.
• Day-ahead schedule: At intervals of 15 minutes for the next day, starting from 00:00 hours of that day.
• Week-ahead schedule: At intervals of 15 minutes for next seven days, starting from 00:00 hours of that day.
• Revision can be done by giving notice; effective from the 4^th time block the1^st being when notice was given.
• One revision for each of one-and-a-half-hour time block subject to maximum 16 revisions on a day

Role of QCA and Implementation

• One QCA for each pooling sub-station or generating station registered with SLDC.
• QCA shall be the single point of contact with respect to:

• Meter reading, data collection and its communication.
• QCA shall furnish technical specification and also provide real time data to connected SLDC.
• Coordination between distribution licensee, SLDC and other agencies.
• Commercial settlements between generators and their counterparties.
• All other ancillary or incidental matters.

Commercial and Deviation Settlement

• Generators connected to the state grid and selling power within the state, to be paid as per actual generation.
• Generators connected to the state grid and selling power outside the state, to be paid as per scheduled generation.
• Deviation settlement for the regional entities will be according to the Central Electricity Regulatory Commission (Deviation Settlement Mechanism and Related Matters) Regulations, 2018 as amended from time to time.

Deviation charges for sale of power within the state

Under or over injection (for plants commissioned before the date of notification).

Absolute Error in a15-min time block

Deviation Charges payable to State DSM Pool

≤10%

None.

>10% but ≤ 20%

At Rs.0.50 per unit.

>20% but ≤30%

At Rs.0.50 per unit for the shortfall or excess beyond 10% and up to 20% + Rs.1.00 per unit for balance energy beyond 20% and up to 30%.

>30%

At Rs.0.50 per unit for the shortfall or excess beyond 15% and up to 20% + Rs.1.00 per unit for balance energy beyond 20% and up to 30% + Rs.1.50 per unit for balance energy beyond 30%.

Payment Mechanism

• Deviation charges shall be paid within ten days from date of issue by SLDC.
• Late payment will attract late payment surcharge of 0.4% per day.
• QCA shall separately settle deviation charges with wind and solar generators for inter-state and intra-state transactions.
• QCA shall also de-pool the deviations and deviation charges to each generator.

Energy Accounting

SLDC shall furnish data weekly basis through IT enabled system and software.

Metering

• Special Energy Meter to record parameters in every 15 minute time block.
• QCA shall furnish weekly meter reading to SLDC by 00:00 hrs on Wednesday  for 7 days data ending on previous Sunday.

Link

https://herc.gov.in/Regulation/1.aspx

Reference

https://herc.gov.in/writereaddata/pdf/r20190429a.pdf