The electricity sub-sector is dominated by three integrated utilities, i. e Tenaga Nasional Berhad (TNB) serving Peninsula Malaysia, Sabah Electricity Sdn. Bhd. (SESB) and Sarawak Electricity Supply Corp. (SESCo) and complimented by various independent power producers (IPPs), dedicated power producers and co-generators.

TENAGA NASIONAL BERHAD

TNB is a public listed company on the KLSE and was established in 1990 through the corporatisation of the National Electricity Board. (www.tnb.com.my). TNB is the largest electricity utility in Malaysia. The current total installed generation capacity in Peninsular Malaysia is 17,623 MW with TNB holding 8,417 MW (47.8%), IPP holding 6,787 MW (38.5%) and another 2,419 MW (13.7%) jointly owned by TNB and Malakoff (via Kapar Energy Ventures, KEV). Current Installed Generation Capacity – 17,622 MW

Gas is still a major primary energy input for the electricity sector constituting 68%, with 63.8% of the installed generating plants firing on gas. Coal is fast gaining significance in the generation fuel mix from 11.1% in 2002 to the present 31.1%. Coal as a primary fuel will gain more significance with the commissioning of the Tg. Bin and Jimah power plants by the IPP within this 9th Malaysia Plan period. Hydro contributed 13.8% for 2006 and oil acting as just standby and back-up fuel.

As part of its strategy to improve efficiency, TNB has been undergoing substantial internal restructuring since 1996 with the formation of many subsidiary companies, each entrusted with a specialized field of business. The main subsidiaries of TNB are: -

•    TNB Generation Sdn. Bhd. 
•    TNB Transmission Sdn. Bhd.
•    TNB Distribution Sdn. Bhd. 
•    TNB Research Sdn. Bhd.
•    TNB Engineers Sdn. Bhd.
•    University Tenaga Nasional
•    TNB Engineering and Consultancy Sdn. Bhd.
•    TNB Repair and Maintenance Sdn. Bhd.

SABAH ELECTRICITY SDN. BHD. (SESB)

SESB was founded on 1 September 1998 to take over the business of electricity supply from Sabah Electricity Board, a statutory body of the Federal Government, which had been supplying electricity to consumers in Sabah and Labuan. TNB and the State Government of Sabah own SESB.

SARAWAK ELECTRICITY SUPPLY CORP. (SESCo)

SESCo is a statutory authority established by the State Government of Sarawak. The Sarawak Government has a 55% ownership and Sarawak Enterprise Corporation Bhd (SECB) holds the remaining 45% shares. SESCo is an integrated utility (d) Northern Utility Resources (NUR) NUR ( www.khtp.com.my ) is a dedicated power producer serving the Kulim High Technology Park in Kedah, a state which is located in the north of Peninsular Malaysia. It has two subsidiary Companies, NUR Generating involved in electricity generation and NUR Distribution which is involved in electricity distribution. The capacity of this dedicated power plant is 450 MW which is implemented in 2 phases.

INDEPENDENT POWER PROCEDURES (IPPs)

IPPs in Malaysia generate and sell electricity in bulk to the 3 dominant utilities. The IPPs, which are in operation, are as follows:

Peninsular Malaysia