The National Electric Power
Regulatory Authority Performance Standards (Distribution) Rules, 2005
11th January 2005
S.R.O. 45 (I)/2005. –– In exercise of the powers conferred by section 46 of the
Regulation of Generation, Transmission and Distribution of Electric Power Act,
1997 (XL of 1997), read with Section 34 thereof, the National Electric Power
Regulatory Authority, with the approval of Federal Government, is pleased to
make the following Rules namely:---
PART I
PRELIMINARY
1.
Short title and commencement. –– (1) These Rules may be called the National Electric Power
Regulatory Authority Performance Standards (Distribution) Rules, 2005.
(2)
These shall come into force at once:---
(i) Provided
that sub-rule (3) of rule 5 and clause (b) rule 9 shall be applicable after
four years of the date of coming into force of these rules:---
Provided further that in the event of privatization of a
distribution company sub-rule (3) of rule 5 and clause (b) of rule 9 shall be
applicable with effect from such date as the Authority may determine at the
time of privatization keeping in view the performance of the distribution
company being privatized.
2.
Definitions. –– (1) In these rules, unless there is anything repugnant
in the subject or context,---
(a)
“Authority” means the National
Electric Power Regulatory Authority established under section 3 of the Act;
(b)
“Act” means the Regulation of
Generation, Transmission and Distribution of Electric Power Act, 1997 (XL of
1997);
(c)
“connection” means the provision of
electric power supply services;
(d)
“Force Majeure” means an act of God
that is reasonably not foreseeable by a distribution company or a force or
cause beyond the reasonable control of a distribution company;
Explanation: Events such as an earthquake,
explosion, riot, floods, hurricane that results in exceeding the design
parameters of the equipment or other calamity of catastrophic nature whose
timing, duration, and extent of the impact cannot be reasonably foreseen or
quantified by the distribution company may be considered as a Force Majure
condition.
(e)
“kV” means kilo-volts or 1,000
volts;
(f) “Load Shedding” means the process of deliberately removing
either manually or automatically pre-selected consumer’s load demand from the
power system as per scheduled programme on a rotating and proportionate basis
for each class of consumers notified earlier by a distribution company;
(g) “Long Duration Power Supply Interruption” means loss of
electric supply to one or more consumers for a duration of more than three
minutes;
(h) “NTDC” means the National Transmission and Dispatch Company;
(i) “Operator” means a person authorized by the distribution
company to operate its electrical facilities;
(j) “Planned Power Supply Interruption” means planned or
scheduled outage of electrical supply to one or more consumers;
(k) “Point of Outage” means the point in the distribution system
of a distribution company beyond which electric service is interrupted
including without limitation grid station, 11 kV feeders, 400/230 volts line
and transformer;
(l) “Power Supply Interruption” means loss of electric supply to
one or more consumers;
(m) “Short Duration Power Supply Interruption” means loss of
electric supply to one or more consumers for a duration of three minutes or
less excluding momentary interruptions of duration less than one second;
(n) “rural area” means the area falling within the jurisdiction
of all rural local bodies including without limitation union councils, tehsil
councils and zila councils;
(o) “Step Potential” means difference of voltage between the
steps of an Operator, human being or animal coming in contact or operating
electrical facilities of a distribution company;
(p) “System Average Interruption Duration Index (SAIDI)” means
the average duration of consumer Power Supply Interruptions per consumer
occurring in a given year, determined by dividing the aggregated sum of all
consumers power supply interruption durations in minutes by the total number of
consumers served by a distribution company in a given year;
(q) “System Average Interruption Frequency Index (SAIFI)” means
the average frequency of consumer Power Supply Interruptions per consumer
occurring in a given year, calculated by dividing the total annual number of
consumer Power Supply Interruptions by the total number of consumers served by
a distribution company in a given year;
(r) “urban area” means the area falling within the jurisdiction
of all urban local bodies or development authorities including without
limitation town committees, municipal committees, municipal corporations,
metropolitan corporations and cantonment boards; and
(s)
“year” or “annual” means the period
of twelve months beginning on the 1st July and ending on the 30th
June.
(2)
The words and expressions used but not defined in these rules shall have the
meaning assigned to them in the Act.
PART II
GUARANTEED STANDARDS OF PERFORMANCE
3.
Guaranteed Standards of
Performance.–– (1) A distribution company
shall implement Guaranteed Standards of Performance for each and every
individual consumer as specified in sub-rule (3).
(2)
In the event of Planned Power Supply Interruptions, notice shall be served to
all affected consumers at least forty-eight hours in advance of any such
planned Interruption excluding defence establishments where Planned Power
Supply Interruptions shall only be taken through mutual agreement.
(3)
The following Guaranteed Performance Standards (GS1 through GS5) shall apply to
Long Duration Power Supply Interruptions (duration lasting more than three
minutes). Whereas, the following Guaranteed Performance Standard (GS6) shall
apply to Short Duration Power Supply Interruptions (duration lasting less than
or equal to three minutes).
(a)
Guaranteed Standard 1 - Restoration following Unplanned Long Duration
Power Supply Interruptions (GS1U & GS1R):---
Urban Consumers (GS1U) and Rural
Consumers (GS1R)
In the case of an unscheduled or
unplanned Power Supply Interruption, a distribution company shall restore the
supply of power to all affected consumers within the time limits specified
below namely:---
|
Consumers in urban areas (GS1U).
|
10 Hours*.
|
|
Consumers in rural areas (GS1R).
|
16 Hours*.
|
Explanation:---
* The time period shall commence from the time when the first
affected consumer reports a Power Supply Interruption, or when the distribution
company’s automatic equipment indicates, or should have indicated, a Power
Supply Interruption, whichever is the sooner.
(b)
Guaranteed Standard 2 - Maximum Number of Unplanned Long Duration Power Supply
Interruptions (GS2)1 :---
In the event of an unscheduled or
unplanned Power Supply Interruption, a distribution company shall ensure that
supply of electricity to consumers is not interrupted, on an annual basis, more
frequently than the limits specified below, namely: -
|
Consumers receiving supply at:
|
132/66 kV and above.
|
33/11 kV
|
400/230 Volts.
|
|
|
Urban.
|
Rural.
|
|||
|
Maximum number of interruptions
for each individual consumer per annum (GS2).
|
6
|
30
|
60
|
80
|
(c) Guaranteed
Standard 3 - Duration of Unplanned Long Duration Power Supply Interruptions
(GS3) 2:
In the event of an unscheduled or
unplanned Power Supply Interruption, a distribution company shall ensure that
supply of electricity to consumers is not interrupted, on an annual basis, for
an aggregated duration greater than the limits specified below, namely:-
|
Consumers receiving supply at:
|
132/66 kV and above.
|
33/11 kV
|
400/230 Volts.
|
|
|
Urban.
|
Rural.
|
|||
|
Maximum interruption aggregated
duration** (Hours) for each individual consumer per annum (GS3).
|
26
|
44
|
88
|
175
240***
|
Explanation:---
** Aggregated duration for a consumer shall be computed by
adding the duration of all Power Supply Interruptions for that consumer in a
given year.
***This limit shall apply to Karachi Electric Supply Corporation Limited (KESC)
only.
1, 2 Power Supply Interruptions
resulting from the load shedding carried out by the distribution company due to
the distribution system overloading or inadequacies shall be included in the
calculation of GS2 through GS5.
(d)
Guaranteed Standard 4 - Maximum Number of Planned Long Duration Power Supply
Interruptions (GS4) 3:---
A distribution company shall not
exceed the annual number of scheduled or Planned Power Supply Interruptions of
any consumer as specified below, namely:---
Consumers receiving supply at:
|
132/66 kV and above.
|
33/11 kV
|
400/230 Volts.
|
|
|
Urban.
|
Rural.
|
|||
|
Maximum number of Planned
|
4
|
8
|
16
|
16
|
(e)
Guaranteed Standard 5 - Duration of Planned Long Duration Power Supply
Interruptions (GS5) 4:---
In the event of a scheduled or
Planned Power Supply Interruption, a distribution company shall ensure that
supply of electricity to consumers is not interrupted, on an annual basis, for
an aggregated duration greater than the limits specified below, namely:---
|
Consumers receiving supply at:
|
132/66 kV and above.
|
33/11 kV
|
400/230 Volts.
|
|
|
Urban.
|
Rural.
|
|||
|
Maximum interruption aggregated
duration* (Hours) for each individual consumer per annum (GS5).
|
36
|
64
|
80
|
96
|
Explanation:---
*Aggregated duration of a Planned Power Supply Interruption
for a consumer shall be computed by adding the duration of all Power Supply
Interruptions for that consumer in a given year. For each Planned Power Supply
Interruption, the distribution company shall make efforts that the supply to
consumers is not disconnected before 6am and is restored by 5pm, in winter,
during the period the 16th October to the 15th April; and
is not disconnected before 5am and is restored by 6pm, in summer, during the
period the 16th April to the 15th October or any other
convenient time to the consumers.
3, 4 Power Supply Interruptions resulting from the load
shedding carried out by the distribution company due to the distribution system
overloading or inadequacies shall be included in the calculation of GS2 through
GS5.
(f)
Guaranteed Standard 6 - Maximum Number of Unplanned Short Duration Power Supply
Interruptions (GS6):---
In the event of an unscheduled or
unplanned Short Duration Power Supply Interruption (duration lasting less than
or equal to three minutes) a distribution company shall ensure that supply of
electricity to consumers is not interrupted, on an annual basis more frequently
than the limits specified below, namely:---
|
Consumers receiving supply at:
|
132/66 kV and above.
|
33/11 kV
|
400/230 Volts.
|
|
|
Urban.
|
Rural.
|
|||
|
Maximum number of unplanned Short
Duration Power Supply Interruptions for each individual consumer per annum
(GS6).
|
4
|
140
|
275
|
300
|
PART III
OVERALL STANDARDS OF PERFORMANCE
4.
Overall Standards of Performance. –– In addition to Guaranteed Standards
of Performance to individual consumers, the following Overall Standards of
Performance shall provide the underlying indicators of assessment of supply
reliability, quality of supply, and safety of electric power supply that a
distribution company provides to its consumers. In addition, these Standards
shall also provide time required for a connection to a new consumer; and
principles and priorities of the Load Shedding for distribution
companies.
(a) Overall
Standard 1- System Average Interruption Frequency Index (OS1):---
A distribution company shall ensure
that the System Average Interruption Frequency Index (SAIFI) of supply of power
per consumer per annum does not exceed thirteen.
|
System Average Interruption Frequency Index* (SAIFI)
|
=
|
Total annual number of all
Consumer Power Supply Interruptions
Total number of consumers served by the distribution
company in a given year
|
Explanation:---
* In the calculation of SAIFI (OS1) any Power Supply
Interruption on the distribution system of a distribution company caused due to
the outage of a transmission (220 kV and above) or generation facility OR
another licensee’s (other than the distribution company) system facility
(planned or unplanned interruption) shall not be accounted for.
(b)
Overall Standard 2- System Average Interruption Duration Index (OS2):---
A distribution company shall ensure
that the System Average Interruption Duration Index (SAIDI) of supply of power
per consumer per annum does not exceed fourteen.
|
System Average Interruption Duration Index* (SAIDI)
|
|
Aggregate sum of all
Consumer Power Supply Interruption durations in minutes
Total number of consumers served by the distribution
company in a given year
|
Explanation:---
* In the calculation of SAIDI (OS2), any Power Supply
Interruption on the distribution system of a distribution company caused due to
the outage of a transmission (220 kV and above) or generation facility OR
another licensee’s (other than the distribution company) system facility
(planned or unplanned interruption) shall not be accounted for.
(c)
Overall Standard 3- Time Frame for
New Connections (OS3):---
A distribution company shall provide
electric power service to atleast 95% of new connections to its eligible
consumers as specified in the Consumer Eligibility Criteria laid down by the
Authority pursuant to section 21(2)(b) of the Act in each of the
following categories within the time limits specified below from the date of
application for new connection, namely:---
|
Sr.
No.
|
Description.
|
Time limit**
(Calendar days).
|
|
(1)
|
(2)
|
(3)
|
|
1.
|
For supply at voltage level up to
400V and load up to 15 kW.
|
30
|
|
2.
|
For supply at voltage level up to
400V and load above 15kW but not exceeding 70 kW.
|
53
|
|
3.
|
For supply at voltage level up to
400V and load above 70kW but not exceeding 500 kW.
|
73
|
|
4.
|
For supply at voltage level 11 or
33 kV and load above 500 kW but not exceeding 5000 kW.
|
106
|
|
5.
|
For supply at voltage level 66 kV
and above for all loads.
|
496
|
Explanation:---
** Time shall be counted from the date of registration of
the application for a new connection till such time the consumer is provided
the connection. However, the limits of this standard shall not include any time
required that is beyond control of the distribution company.
d.
Overall Standard 4- Nominal Voltages
(OS4):---
(i)
A distribution company shall
supply power to atleast 95% of its consumers within the range of ± 5% of the
nominal voltage.
(ii)
The following nominal voltages shall
be used for the distribution system of a distribution company, namely:---
(a)
400/230 Volts
(b)
11 kV
(c)
33 kV
(d)
66 kV
(e)
132 kV
(f)
220 kV (if applicable)
e.
Overall Standard 5- Frequency
(OS5):---
(i)
A distribution company shall supply
power to its consumers within the frequency range of 50 (±1%) Hz.
(ii)
The company shall supply electric
power to its consumers of the power quality in accordance with the IEEE
Standard 519-1992 pertaining to harmonic content.
f.
Overall Standard 6-Priorities and
Principles of Load Shedding (OS6):---
(i)
A distribution company shall have
plans and schedules available to shed up to 30% of its connected load at any
time upon instruction from NTDC. This 30% load must be made up from separate
blocks of switchable load, which can be disconnected in turn at the instruction
from NTDC. A distribution company shall provide copies of these plans to NTDC.
(ii)
Wherever possible NTDC shall give
distribution companies advance warning of impending need for load shedding to
maintain system voltage and/or frequency in accordance with the Grid Code.
(iii)
As per the provisions of the Grid
Code, NTDC shall maintain an overview and as required instruct each
distribution company the quantum of load to be disconnected and the time
of such disconnection. This instruction shall be given in clear, unambiguous
terms and related to prepared plans.
(iv)
When instructed by NTDC, the distribution
companies shall shed the load in the following order, namely:---
(a)
Supply to consumers in rural areas;
and residential consumers in urban areas where separate feeders exist.
(b)
Supply to consumers, other than industrial,
in urban areas.
(c)
Supply to agriculture consumers
where there is a dedicated power supply.
(d)
Supply to industrial consumers.
(e)
Supply to schools and hospitals.
(f)
Supply to defense and strategic
installations.
(v) A distribution company shall prepare schedules of load
disconnection, which demonstrate this priority order and which rotate load
disconnections within the above groups in a non-discriminatory manner. The principle
of proportionality shall be kept in mind so as not to excessively burden a
particular consumer class.
g.
Overall Standards 7-(Safety
(OS7):---
(i)
All distribution facilities of a
distribution company shall be constructed, operated, controlled and maintained
in a manner consistent with the Distribution Code, Power Safety Code, Consumer
Service Manual, and other applicable documents.
(ii)
A distribution company shall ensure
that its distribution facilities do not cause any leakage of electrical current
or step potential beyond a level that can cause harm to human life, as laid
down in the relevant IEEE/IEC Standards; prevent accessibility of live
conductors or equipment; and prevent development of a situation due to
breakdown of equipment which results in voltage or leakage current that can
cause harm to human life, property and general public including without
limitation, employees and property of the distribution company.
(iii)
A distribution company shall
implement suitable, necessary, and appropriate rules, regulations and working
practices, as outlined in its Distribution Code or applicable documents, to
ensure the safety of its staff and members of the public. This shall also
include suitable training for familiarity and understanding of the rules,
regulations, practices, and training to use any special equipment that may be
required for such purposes including without limitation basic first aid
training.
PART IV
MISCELLANEOUS
5.
Data base and complaints mechanism: –– (1)
A distribution company shall maintain a computerized data base system covering
all Power Supply Interruptions. The data base shall include for each occurrence
the following information, namely:---
(a)
Date and time of occurrence of an
outage;
(b)
the point of an outage
(interruption);
(c)
the time at which the service is
restored, allowing for staged restoration of a major interruption;
(d)
total duration of interruption for
each restoration stage;
(e)
affected feeder and transformer code
number;
(f)
the number of connected consumers;
and
(g)
the number of consumers affected by
each interruption;
(2)
Subject to the provisions of sub-rule
(3),---
(a)
a distribution company shall ensure
that all consumer complaints are properly registered and accurately recorded;
(b)
a distribution company shall
establish complaint offices to facilitate consumers in lodging complaints which
can be done by appearing personally or lodging the complaints telephonically or
electronically;
(c)
a toll-free telephone system shall
be established to receive complaints; and
(d)
all complaints shall be immediately
registered; and the complainant shall be informed by the distribution company
of the reference number allotted to the complaint.
(3)
In case of a failure by a distribution company to comply with the provisions of
sub-rule (2), the distribution company shall be subject to fines and penalties
under rule 9:---
Provided that the Authority may relax the application of this rule on the
basis of special circumstances or size of a particular distribution
company.
6.
Resolution of metering and billing disputes. –– A distribution company shall ensure that any investigation
and decision of dispute concerning metering, billing and electricity
consumption charges are finalized within twenty one days of the filing of the
complaint failing which it shall be immediately referred to the Provincial
Offices of Inspection (POIs), established pursuant to section 38 of the Act.
However, the disputed meter shall be inspected by the authorized distribution
company personnel within five days of receipt of the particular complaint from
the consumer.
7.
Annual Performance Reports. (1) Each distribution company shall supply to the Authority
an Annual Performance Report every year, before the 31st of August
of the succeeding year, in the Forms as set out in Annexure I to these Rules.
(2)
The Annual Performance Report shall contain all relevant information with
respect to compliance with these Rules during the year, including a comparison
with the compliance reporting provided in the previous year to the Authority.
(3)
The Annual Performance Report shall include as a minimum the following
information, namely:---
(a)
System Performance Reports:---
The format for reporting performance
is shown in Performance Standards Forms as set out in Annexure-I to these
Rules.
(b)
Consumer Service Performance Reports:---
The format for reporting performance
is shown in Performance Standards Forms as set out in Annexure-I to these
Rules.
(c)
Distribution Companies Written Report on Performance and Plans for
Improvement:---
This should be in the distribution
company’s own style but concentrating on:---
(i)
reasons for any poor performance
against standards;
(ii)
worst served consumers;
(iii)
worst performing circuits;
(iv)
plans to improve the reported poor
performance areas related to geography, investment plans or organizational
change; and
(v)
expected performance improvements as
a result of any investment.
8.
Monitoring of standards: –– The
Authority shall periodically monitor the compliance of each distribution
company with these rules and may require the distribution company to undertake
a performance audit at the distribution company’s expense, for the purpose of
monitoring the same.
9.
Fines: –– (1) Subject to section 29 of the
Act,---
(a)
if a distribution company does not
comply with any of these rules except rule 3, it shall be liable to pay fine
which may extend to three hundred thousand rupees for each non-compliance; and
in the case of a continuing non-compliance with an additional fine which may
extend to three hundred thousand rupees for each day during which such
non-compliance continues to take place; and
(b)
in case of non-compliance by a
distribution company of the Guaranteed Performance Standards (GS1U, GS1R,
GS2-GS6) as specified in rule 3, the following penalty shall be payable by the
distribution company to the Authority, namely:---
|
Sr. No.
|
Consumers receiving supply at:
|
132 kV and above.
|
66 kV.
|
33/11 kV.
|
400/230 Volts.
|
|
(1)
|
(2)
|
(3)
|
(4)
|
(5)
|
(6)
|
|
|
|
Rs.
|
Rs.
|
Rs.
|
Rs.
|
|
1.
|
Penalty payment for each
Guaranteed Performance Standard failure beyond the prescribed limit.
|
10,000
|
5,000
|
1,000
|
300
|
|
2.
|
For an excess of each additional
complete six-hour period, beyond permissible limit, after a GS1U or GS1R or
GS3 or GS5 Failure.
|
2,000
|
1000
|
1000
|
200
|
|
3.
|
For Every Additional Interruption
Beyond the Permissible Limits after a GS2 or GS4 or GS6 Failure
|
2,000
|
1,000
|
500
|
200
|
(2)
A distribution company shall ensure that payment of any fine becoming due under
these rules shall be paid to the Authority within one billing cycle of the
distribution company becoming aware of the non-compliance through its own
monitoring and recording systems or through the receipt of a consumer
complaint to the distribution company or the Authority.
(3)
In imposing any fine under these Rules, the Authority shall keep in view the
principle of proportionality of the fine to the gravity, frequency of
occurrence, duration and impact of non-compliance of the Guaranteed Performance
Standards; and shall allow the distribution company liable to be penalized to
show cause, in writing, in the manner deemed fit by the Authority, as to why
the fine should not be imposed.
(4)
The fines imposed under this rule shall be indexed to the Consumer Price Index
(“CPI”) published from time to time by the Federal Bureau of Statistics as provided
in the NEPRA (Fees) Rules, 2002.
10.
Force Majeure: –– (1) The fines shall not be imposed
under these Rules in case of non-compliance of Guaranteed Performance Standards
under Force Majeure conditions; provided that the Authority has approved, upon
a request from the distribution company, the exemption of some or all of these
rules for a specific event, defined period, and time of circumstances.
(2) The
application for exemption of some or all of these rules shall be received from
the distribution company as soon as the distribution company becomes aware of
the need for such exemption and in any event within the delivery time of
service of the Guaranteed Performance Standards.
(3)
In the event that a distribution company wishes to claim an exemption due to
Force Majeure for circumstances that increment an annual count of a particular
Guaranteed Performance Standard, the distribution company shall declare, and
intimate the occurrence to the Authority within fourteen days of such an
occurrence.
(4)
Force Majeure exemption shall not be applicable to Overall Standards as Force
Majure exemption is necessitated to cater for extreme, peculiar and unusual
circumstances only.
11. Issuance of
instructions: –– For carrying out the purposes of
these rules, the Authority may issue specific instructions and guidelines to
distribution companies in the form and manner determined by the Authority which
shall be complied with by all distribution companies.
12.
Glossary of Standards: –– The Glossary
of Standards applicable to these rules shall be as set out in Annexure II to
these Rules.
Annexure-I
[See rule 7(3) (b)]
Form-1
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Guaranteed Standards-Unplanned Power
Supply Interruptions
Sheet 1
|
Consumer supply voltage.
|
Total number of Unplanned Consumer
Power Supply Interruptions.
|
Number of urban
Unplanned Consumer Power Supply
Interruptions.
(GS1U)
|
Number of rural
Unplanned Consumer Power Supply
Interruptions.
(GS1R)
|
||
|
Restored within 10 hrs.
|
Extending beyond 10 hrs.
|
Restored within 16 hrs.
|
Extending beyond 16 hrs.
|
||
|
220 kV
|
|
|
|
|
|
|
132 kV
|
|
|
|
|
|
|
66 kV
|
|
|
|
|
|
|
33 kV
|
|
|
|
|
|
|
11 kV
|
|
|
|
|
|
|
400/230 V
|
|
|
|
|
|
|
Consumer supply voltage.
|
Maximum permitted number of
Unplanned Power Supply Interruptions for each individual consumer per annum.
(GS2)
|
Number of consumers whose number
of Unplanned Power Supply Interruptions exceeded the maximum limit of GS2.
|
Maximum permitted
Aggregate duration of Unplanned
Power Supply Interruptions for each individual consumer per annum. (hours)
(GS3)
|
Number of consumers whose
aggregate Unplanned Power Supply Interruption time exceeded the maximum limit
of GS3.
|
|
|
|
|||||
|
220 kV
|
6
|
|
26
|
|
|
|
132 kV
|
6
|
|
26
|
|
|
|
66 kV
|
6
|
|
26
|
|
|
|
33 kV
|
30
|
|
44
|
|
|
|
11 kV
|
30
|
|
44
|
|
|
|
400/230 V Urban
|
60
|
|
88
|
|
|
|
400/230 V Rural
|
80
|
|
175 (distribution company), 240
for KESC
|
|
|
Annexure-I
[See rule 7(3) (b)]
Form-2
CONSUMERS SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Guaranteed Standards- Planned Power
Supply Interruptions
Sheet 2
|
Consumer supply voltage.
|
Maximum permitted number of
Planned Power Supply Interruptions for each individual consumer per annum.
(GS4)
|
Number of consumers whose Planned
Power Supply Interruptions exceeded the maximum limit of GS4.
|
Maximum Power Supply Interruption
aggregate duration (Hours) for each individual consumer per annum.
(GS5)
|
Number of consumers whose
aggregate Planned Power Supply Interruption duration exceeded the
maximum limit of GS5.
|
|
220 kV
|
4
|
|
36
|
|
|
132 kV
|
4
|
|
36
|
|
|
66 kV
|
4
|
|
36
|
|
|
33 kV
|
8
|
|
64
|
|
|
11 kV
|
8
|
|
64
|
|
|
400/230 V Urban
|
16
|
|
80
|
|
|
400/230 V Rural
|
16
|
|
96
|
|
Annexure-I
[See rule 7(3) (b)]
Form-3
CONSUMERS SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Guaranteed Standards- Unplanned
Short Duration Power Supply Interruptions
Sheet 3
|
Consumer supply voltage.
|
Maximum permitted number of short
duration Power Supply Interruptions for each individual consumer per annum.
(GS6)
|
Number of consumers whose short
duration Power Supply Interruptions exceeded the maximum limit of GS6.
|
|
|
|
|||
|
132/66 kV
|
4
|
|
|
|
33 /11 kV
|
140
|
|
|
|
400/230 V Urban
|
275
|
|
|
|
400/230 V Rural
|
300
|
|
|
Annexure-I
[See rule 7(3) (b)]
Form-4
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Overall Standards- Average Power
Supply Interruptions*
Sheet 4
|
Consumer supply voltage.
|
Total number of consumers
served by the distribution company in a given year.
|
Total annual number of consumer
Power Supply Interruptions**
|
SAIFI
(OS1)
(4)=(3)/(2)
|
Aggregate Sum of all Consumer
Power Supply Interruption Duration in Minutes***
|
SAIDI
(OS2)
(6)=(5)/(2)
|
|
(1)
|
(2)
|
(3)
|
(4)
|
(5)
|
(6)
|
|
220 kV
|
|
|
|
|
|
|
132 kV
|
|
|
|
|
|
|
66 kV
|
|
|
|
|
|
|
33 kV
|
|
|
|
|
|
|
11 kV
|
|
|
|
|
|
|
400/230 V
|
|
|
|
|
|
* Calculation of SAIFI (OS1) and
SAIDI (OS2) shall not include any power supply interruptions caused due to
failure or outage (planned or unplanned) on the Generation and/or Transmission
System (Owned by NTDC) or another Licensee’s
System.
**Total annual number of consumers
power supply interruptions shall be computed by summating the total number of
consumers affected by each and every power supply interruption for all the
power supply interruptions in a given year.
*** Aggregate sum of all consumer
power supply interruption durations in minutes shall be computed by summating,
for each and every power supply interruption, the product of total number of
consumers affected by a power supply interruption and the duration of such
power supply interruption in minutes.
Annexure-I
[See rule 7(3) (b)]
Form-5
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Guaranteed Standards - Time Frame
for New Connections*
Sheet 5
|
Eligible consumer’s new power
supply connection requirements (voltage and load level specific).
|
Maximum* time period for provision
of new connection (calendar days).
(OS3)
|
Total number of eligible consumers
who applied for a new connection.
|
Total number of eligible consumers
who applied for a new connection and were connected within the maximum
permitted time period of OS3.
|
Total number of eligible consumers
who applied for a new connection but did not receive connection within
the maximum permitted time period of OS3.
|
|
Voltage level up to 400 V and load
up to 15 kW. (Urban)
|
30
|
|
|
|
|
Voltage level up to 400 V and load
up to 15 kW. (Rural)
|
30
|
|
|
|
|
Voltage level up to 400 V and load
above 15 kW but not exceeding 70 kW.
|
53
|
|
|
|
|
Voltage level up to 400 V and load
above 70 kW but not exceeding 500 kW.
|
73
|
|
|
|
|
Voltage level 11 kV or 33 kV and
load above 500 kW but not exceeding 5000 kW.
|
106
|
|
|
|
|
Voltage level 66 kV and above for
all loads.
|
496
|
|
|
|
* Time shall be counted from the
date of registration of the application for a new connection till such time the
consumer is provided the electric power supply. However, the limits of this standard
shall not include any time required that is beyond the control of a
distribution company.
Annexure-I
[See
rule 7(3) (b)]
FORM 6
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Overall Standards- Nominal Voltages
Sheet 6
|
Consumers supply voltage.
(OS4)
|
Maximum permitted voltage level
deviations.
|
Number of consumers who
requested their power supply voltage levels to be checked.
|
Number of times where a remedial
action followed a consumer request about his power supply voltage level check
|
|
220 kV
(if applicable)
|
+/-5%
|
|
|
|
132 kV
|
+/-5%
|
|
|
|
66 kV
|
+/-5%
|
|
|
|
33 kV
|
+/-5%
|
|
|
|
11kV
|
+/-5%
|
|
|
|
400/230 V Urban
|
+/-5%
|
|
|
|
400/230 V Rural
|
+/-5%
|
|
|
Annexure-I
[See rule 7(3) (b)]
Form-7
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Overall Standards - Frequency
Sheet 7
|
Consumers frequency.
|
Maximum permitted frequency
deviations.
|
Total number of consumers who
requested their frequency levels to be checked.
|
Total number of times where a
remedial action followed a consumer request about his frequency level check
|
|
50 Hertz.
|
± 1%
|
|
|
Annexure-I
[See rule 7(3) (b)]
Form-8
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Overall Standards - Load Shedding
Sheet 8
|
Priority group of consumers
|
Number of instances of actuation
of load shedding.
(OS6)
|
Average duration of load shedding
period (Hours).
|
Maximum duration of load shedding
period (Hours).
|
Number of consumers affected in
each priority group.
|
Load (MW) interrupted due to load
shedding in each priority group.
|
|
Consumers in rural areas, and
residential consumers in urban areas.
|
|
|
|
|
|
|
Consumers other than industrial in
urban areas.
|
|
|
|
|
|
|
Agricultural consumers where there
is dedicated supply.
|
|
|
|
|
|
|
Industrial consumers.
|
|
|
|
|
|
|
Supply to schools and hospitals.
|
|
|
|
|
|
|
Defense / Strategic installations.
|
|
|
|
|
|
Each instance of load shedding shall be individually
reported on an immediate basis giving the following information:---
a)
Reason for load shedding (Generation
Shortage, Transmission Constraints, Voltage Outside Limits etc.).
b)
Start time and date of load
shedding.
c) End time and date of load shedding.
d)
Priority group of consumers
affected.
e)
Numbers of consumers and load (MW)
affected in each priority group.
f)
Measures taken to prevent recurrence
(if applicable).
Annexure-I
[See rule 7(3) (b)]
FORM 9
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Overall Standards - Safety
Sheet 9
|
Type of incident.
|
Number of electrical incidents.
|
Average duration of absence from
work.
|
Longest duration of absence from
work.
|
|
Electrical incident resulting in
death or permanent serious injury/disability to member of staff.
|
|
|
|
|
Electrical incident resulting in
injury to member of staff requiring hospital treatment or absence from work
for five days or more.
|
|
|
|
|
Electrical incident resulting in
injury to member of staff requiring absence from work for 1-5 days.
|
|
|
|
|
Electrical incident resulting in
injury to member of staff not requiring absence from work.
|
|
|
|
|
Electrical incident resulting in
death or permanent serious injury/disability to member of the public.
|
|
|
|
|
Electrical incident injuring
member of the public involving distribution company’s plant or equipment.
|
|
|
|
|
Electrical incident injuring
member of the public not involving distribution company’s plant or equipment.
|
|
|
|
|
Safety reports received on toll
free telephone number
|
|
|
|
Each electrical incident shall be
individually reported on an immediate basis giving the following
information:---
Time and date of electrical
incident, FIR lodged or not, names and occupation of persons involved, number
of fatalities, extent of injuries, names and contact details of witnesses,
distribution company’s inquiry held or not, immediate action taken, and
remedial actions proposed and/or taken or to be taken.
Annexure-I
[See rule 7(3) (b)]
FORM 10
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
Consumer Formal Complaints Report
Sheet 10
|
Nature of complaint.
|
Received in person.
|
Received by telephone.
|
Received electronically.
|
Received in writing.
|
Average time in hours to resolve a
complaint.
|
Longest time in hours to resolve a
complaint.
|
|
Price of electricity.
|
|
|
|
|
|
|
|
Reliability of supply.
|
|
|
|
|
|
|
|
Planned interruptions.
|
|
|
|
|
|
|
|
Supply voltage level.
|
|
|
|
|
|
|
|
New connection.
|
|
|
|
|
|
|
|
Safety.
|
|
|
|
|
|
|
|
Other.
|
|
|
|
|
|
|
Annexure-I
[See rule 7(3) (b)]
Form 11
CONSUMER SERVICE AND SYSTEM
PERFORMANCE ANNUAL REPORT
System Performance
Sheet 11
|
System voltage.
|
Total length of distribution
system
in service (km).
|
Total number of
distribution system faults.
|
Faults / km of
Distribution system.
|
|
220 kV
(if applicable)
|
|
|
|
|
132 kV
|
|
|
|
|
66 kV
|
|
|
|
|
33 kV
|
|
|
|
|
11 kV
|
|
|
|
|
400/230 V
|
|
|
|
Note: Faults at
Grid Station or Substations shall be included in the voltage level
corresponding to the primary voltage of the Grid Station or Substation.
Annexure-II
[See rule 12]
Glossary of Standards
|
GS1U
|
Guaranteed Standards 1.
|
Restoration following Unplanned
Long Duration Power Supply Interruption (Urban).
|
|
GS1R
|
Guaranteed Standards 1.
|
Restoration following Unplanned
Long Duration Power Supply Interruption (Rural).
|
|
GS2
|
Guaranteed Standards 2.
|
Maximum Number of Unplanned Long
Duration Power Supply Interruptions.
|
|
GS3
|
Guaranteed Standards 3.
|
Duration of Unplanned Long
Duration Power Supply Interruptions.
|
|
GS4
|
Guaranteed Standards 4.
|
Maximum Number of Planned Long
Duration Power Supply Interruptions.
|
|
GS5
|
Guaranteed Standards 5
|
Duration of Planned Long Duration
Power Supply Interruptions.
|
|
GS6
|
Guaranteed Standards 6.
|
Maximum Number of Unplanned Short
Duration Power Supply Interruptions.
|
|
OS1
|
Overall Standards 1.
|
System Average Interruption
Frequency Index-SAIFI.
|
|
OS2
|
Overall Standards 2.
|
System Average Interruption
Duration Index-SAIDI.
|
|
OS3
|
Overall Standards 3.
|
Time Frame for New Connections.
|
|
OS4
|
Overall Standards 4.
|
Nominal Voltages.
|
|
OS5
|
Overall Standards 5.
|
Frequency.
|
|
OS6
|
Overall Standards 6.
|
Priorities and Principles of Load
Shedding.
|
|
OS7
|
Overall Standards 7
|
Safety.
|
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