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OPEN ACCESS IN INTER-STATE TRANSMISSION - PowerPoint PPT Presentation


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OPEN ACCESS IN INTER-STATE TRANSMISSION. DEFINITION OF “ OPEN ACCESS ” IN THE ELECTRICITY ACT, 2003.

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OPEN ACCESS IN INTER-STATE TRANSMISSION


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slide1

OPEN ACCESS

  • IN
  • INTER-STATE
  • TRANSMISSION
definition of open access in the electricity act 2003
DEFINITION OF “OPEN ACCESS” IN THE ELECTRICITY ACT, 2003

“The non-discriminatory provision for the use of transmission lines or distribution system or associated facilities with such lines or system by any licensee or consumer or a person engaged in generation in accordance with the regulations specified by the Appropriate Commission”

cerc order regulations on open access
CERC Order/Regulations on Open Access
  • Final Order issued : 30.01.2004
  • Final Regulations issued : 30.01.2004
  • Gazette Notification : 06.02.2004

CERC’s Order effective from 06.02.2004.

salient features of cerc order regulations
Salient Features of CERC Order / Regulations
  • Open Access customers categorised :

Short-Term - Upto One year.

Long-Term - Twenty Five years

or more

  • All Open Access customers to abide by Indian Electricity Grid Code.
further classification of open access customers
Further Classification of Open Access Customers
  • Direct Customer
    • Persons directly connected to system owned or operated by CTU
  • Embedded Customer
    • Other than direct customer
nodal agency
NODAL AGENCY
  • For Short-Term Customers
    • RLDC of the Region in which the drawal point is located.
  • For Long-Term Customers
    • Central Transmission Utility (CTU)
    • STU of the region in which the drawal point is located when CTU system is not involved.
responsibilities of ctu rldcs
Responsibilities of CTU/RLDCs
  • Procedure for reservation of transmission capacity for short term customers including the detailed procedure for bidding within 45 days by RLDC.
  • Procedure and application forms for long-term customers within 30 days by CTU.
  • Notice of 60 days to the existing customers for applying afresh.
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Standardization within 60 days, the other commercial conditions for transmission charges and scheduling and system operation charges.
  • RLDCs to post “Open Access information” on their website within 30 days:
information system
Information System

RLDC to post the following on their websites within 30 days:

  • Floor rate in Rs./MW/Day for Short-Term customer
    • Regional System
    • Inter-Regional link
    • System of STU/SEB/Transmission Licensee
  • Status Report on current short-term customer
  • Month-wise and year-wise report on past short-term customer
  • Information regarding usage of
    • Inter-Regional links
    • Links between CTU and States systems
    • To be updated on hourly basis and wherever feasible on 15minute basis
  • Average energy losses for previous 52 weeks.
processing of application
Processing of Application

For Short-Term Customers

  • Nodal RLDC to interact with concerned RLDCs/SLDCs to process the same in specified time period.
  • Processing time as per CERC Order
    • Upto One Day : 12 Hours
    • Upto One Week : 2 days
    • Upto One month : 7 days
    • Upto One year : 30 days
  • Applicant to furnish details of transactions like point of injection/drawal, quantum (MW), duration, alongwith necessary payments.
approval process
Approval Process
  • Short-term open access to be allowed by utilising :

(a) Inherent design margins,

(b) Margins available due to variation in power flows, and

(c) Margins available due to in-built spare transmission capacity created to cater to future load growth.”

  • In case of congestion snap bids are to be invited by RLDC.
  • In case of transmission constraints, the short-term customers shall be curtailed prior to the long term customers.
  • Provided within a category, the open access customers shall have equal priority and will be curtailed on pro-rata basis.
short term open access charges
Short- Term Open Access Charges

A. Transmission Charges: (Rs./MW/Day)

ST_RATE = 0.25 x [TSC/ Av_CAP]/365

To be applied on postage stamp basis for each

    • Regional System
    • Inter-Regional link
    • STU/SEB or Transmission Licensee System

25% of this charges to be retained and balance 75 % to be adjusted in the transmission charges payable by long term customer.

  • The transmission charges payable shall be for one day and in multiples of whole no. of days.
  • Every transmission licensee to declare rate in Rs. Per MW per day which shall remain fixed for one year.
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Where TSC for any transmission licensee is not available the per MW per day charge applicable for the system owned by CTU of the region will be applicable.
  • Transfer capacity reservation by short-term customers is non-transferable.
  • In case of under utilisation , customers to bear the full transmission and Scheduling and system operation charges as per original reservation.

B. Scheduling and System operation Charges The Short-Term customer has to pay Scheduling and System Operation Charges @ Rs. 3000/- per day per customer to each RLDCs and SLDCs involved .

C. Handling and processing charges to nodal RLDC

    • 2% of the total billed amount(A+B).

D. Non-refundable Processing fee

    • Rs. 5000/- per application
unscheduled inter change charges
Unscheduled inter-change charges
  • UI charges to be applicable to all open access customers.
  • For Direct Customer
    • separate bill for UI charges.
  • For Embedded Customer
    • A composite bill for the State as a whole
    • Segregation to be done at State Level
reactive energy charges
Reactive Energy charges
  • All customers directly connected to CTU network shall pay reactive energy charges as per IEGC.
  • The reactive energy charges to be paid to or received from Pool A/c shall not be apportioned to the embedded customers.
  • For Embedded Customer reactive energy charges shall be governed by the regulations of the respective State.
energy losses
Energy Losses
  • The transmission customers shall bear average energy losses in the transmission system as estimated by CTU and SLDC concerned.
  • The energy losses shall be compensated by additional injection at the injection point(s).

Special Energy Meters

  • The Special Energy Meters shall be installed by the direct customers and if required by the embedded customers.