FOR POWER OUTAGE OR BREAKDOWN, PLEASE CALL 15454
FOR POWER OUTAGE OR BREAKDOWN,
PLEASE CALL 15454

Electricity Supply Service Performance Standard.

Guaranteed Service Levels (GSL)

These guaranteed service levels, as stipulated below, set the required levels for the purpose of ensuring the quality of the delivery of services  of TNB, whereby failure to comply on the part of TNB will result in penalty in the form of rebate to consumers.

GSL Description Rebate

1. Availability of Supply - Frequency of Interruption

The frequency of unplanned supply interruptions (breakdown) experienced by users within a year (January to December):

  • Kuala Lumpur, Putrajaya, Petaling Jaya, Shah Alam, Subang Jaya, Pulau Pinang (Island), Seberang Perai, Johor Bahru, Iskandar Puteri, Pasir Gudang, Alor Setar, Ipoh, Kuala Terengganu, Kuantan, Bandar Melaka, Seremban : (More than 4 times a year with each interruption occurring for more than 3 hours),
  • Other areas: (More than 5 times a year with each interruption occurring for more than 4 hours) .

Supply disruption caused by natural disasters, adverse weather conditions and planned interruptions (for maintenance) is excluded. In the case of GSL 1 non-compliance, affected users can make a claim within two months in the following year.

Domestic consumer
1% of average monthly bill amount or minimum RM10.00, whichever is higher.

Commercial consumer
1% of average monthly bill amount, up to a maximum of RM300.

Industrial consumer
0.5% of average monthly bill amount, up to a maximum of RM1000.

2. Availability of Supply - Restoration Time

The time taken to restore supply:

  • Disturbance caused by minor damage: 3 hours.
  • Breakdowns involving medium voltage system and have alternative supply sources: 3 hours.
    (Kuala Lumpur, Putrajaya, Petaling Jaya, Shah Alam, Subang Jaya, Pulau Pinang (Island), Seberang Perai, Johor Bahru, Iskandar Puteri, Pasir Gudang, Alor Setar, Ipoh, Kuala Terengganu, Kuantan, Bandar Melaka, Seremban).
  • Breakdowns involving medium voltage system and have alternative supply sources (Other areas): 4 hours .
  • Breakdowns involving a low-voltage system and no alternative sources of supply: 12 hours.
  • Breakdown involving Grid and Transmission system:
         a) Partial Blackout: 4 hours
         b) Total Blackout: 18 hours

Supply disruption caused by natural disasters, adverse weather conditions and planned interruptions (for maintenance) is excluded. In the case of GSL 2 non-compliance, affected users can make a claim within two months after the incident occurred.

Domestic Consumer
1% of monthly bill amount or minimum RM10.00, whichever is higher.

Commercial Consumer
1% of monthly bill amount, up to a maximum of RM300.

Industrial Consumer
0.5% of monthly bill amount, up to a maximum of RM1000. (Monthly bill of the particular month when non - compliance occurs)

3.1 Providing Supply - Service Connection

The time taken to reconnect the service requires the installation of low-voltage cable after the premises to be given the supply is ready to receive the cable, and subject to the wayleave approval from the parties concerned.

  • 5 working days (overhead line)
  • 14 working days (underground cable)

In the case of GSL 3.1 non-compliance, affected users can claim the rebate within two months after the supply is connected.

RM50.
Applies only to individual low voltage domestic applications that requires no more than 3 poles (for overhead line) OR no more than 100m (for underground cable) nearest to the premises.

3.2 Providing Supply - Individual Street Lighting

Time taken to implement connection for individual street lighting (ISL) with existing pole from Connection Charge is paid.

In the case of GSL 3.2 non-compliance, affected users can claim the rebate within two months after the supply is connected.

RM50

3.3 Providing Supply - Relocation Meter

Time taken to implement relocation of meter upon request by consumer from the date of payment.

In the case of GSL 3.3 non-compliance, affected users can claim the rebate within two months after the supply is connected.

RM50
4.1 Providing Supply - New Meter Installation

Time taken to connect new electricity supply for individual domestic low voltage consumer after deposit is paid (date of connection is to be mutually agreed upon between consumer and TNB and there is access).

  • For meter installation only.
  • 3 working days (Counting of the number of days will start a day after receiving the deposit).

In the case of GSL 4.1 non-compliance, affected users can claim the rebate within two months after the supply is connected.

RM50

4.2 Providing Supply - Reconnection

Time taken to reconnect electricity supply due to overdue payment disconnection for individual domestic low voltage consumer after full payment is paid.

In the case of GSL 4.2 non-compliance, affected users can claim the rebate within two months after the supply is connected.

RM50
5. Customer Contact

Electricity supply disconnection will be performed in accordance with applicable law and procedures in place.

In the case of GSL 5 non-compliance (wrongful disconnection) , affected users can claim the rebate within two months after the date of non-compliance.

RM100

Guaranteed Service Level (GSL) Rebate claim

You can claim a rebate from us if you have faced any problems with our Guaranteed Service Level (GSL). To learn more about our GSL, Login to myTNB website, then click on Help & Support.

 

Minimum Service Levels (MSL)

The minimum service levels as stipulated below set the minimum levels that TNB needs to adhere to in delivering its services to consumers. It serves as a measurement of the efficiency of the delivery services of TNB in carrying out its statutory duty to supply electricity under the Act.

Service Dimension Service Indicator Performance Level
Availability of Supply 1a. Minimum duration of notice for planned/scheduled interruption of electricity supply. 2 days
1b. Upon request, time taken to provide initial information to Consumer who report on electricity interruption. 1 hour
1c. Time taken to provide initial information to Consumer who request temporary shutdown. 5 working days
Quality of Supply 2a. Time taken to rectify voltage complaint or limit violation and to correct voltage complaint which requires network reinforcement. 180 days
2b. Time taken to complete investigation of over voltage from complaint receipt date. 30 working days
2c. Time taken to provide a complete report of voltage sag from complaints received date. 14 days
Providing Supply 3a. Time taken to inform the developer of the connection charges to be paid upon receipt of complete application:   
- For supply up to 22kV 30 days
- For supply of 33kV 60 days
3b. Time taken to implement electrification scheme requiring new substations:  
- For supply up to 22kV 60 days
- For supply of 33kV with cable installation not more than 5km  
(a) KL, Putrajaya area 180 days
(b) Other areas 120 days
3c. Waiting time at site for appointment to connect electricity supply (Unavoidable occurrence must be followed up by returning call in not less than 1 hour before the appointment time). 1 hour
Customer Contact 4a. Time taken to reply to written enquiry or complaint. 5 working days
4b. Queuing time at customer service counter. 15 minutes
4c. Time taken by customer service officer at CMC 15454 to pick up ringing telephone. 90% calls answered within 30 seconds
Metering Services 5a. Time taken to attend and respond to metering problem or dispute upon official notification/request by the consumer (appointment, visit, testing, replace, etc). 5 working days
5b. Time interval between successive rendering of bill(s). 1 month