TNEC NEWSROOM
50MWac Solar Project — COD Achieved 10 Days Ahead of Schedule KLIA2 DCS Plant Completed Selamat Hari Raya Aidilfitri from TNEC 50MWac Solar Project — COD Achieved 10 Days Ahead of Schedule KLIA2 DCS Plant Completed
Home Our Business Project History

Our Engineering
Legacy & Track Record

From Malaysia's largest solar farms to high-voltage substations and cogeneration plants — TNEC has delivered complex energy infrastructure across the nation, all on time and to the highest standards.

109 MWac Solar Delivered
3 Plants Completed
PMU / PUSU Substations
Power Plant EPCC
O&M Services

Malaysia's Solar EPCC Pioneer

TNEC established itself as a leading multi-disciplinary engineering, design and consultancy company in Malaysia's solar energy sector. Over approximately 5 years, TNEC successfully completed the EPCC of 3 Large Scale Solar (LSS) plants with a total delivered capacity of 109 MWac.

Every project was delivered ahead of its scheduled Commercial Operation Date (COD), a testament to TNEC's engineering rigour and project management excellence. TNEC continues to undertake Operation & Maintenance (O&M) for the operational plants.

Note: TNEC is no longer pursuing new Large Scale Solar EPCC contracts. This section documents our completed solar projects as part of TNEC's engineering heritage.
109 MWac
Total Solar Capacity Successfully Delivered

3

LSS Plants
Completed

473ac

Acres of
Solar Coverage

3/3

Ahead of
Schedule

5yrs

Active Solar
EPCC Period

Our Solar Projects

Three successfully completed large scale solar plants across Malaysia — each delivered ahead of its scheduled COD.

2024
50MWac Bukit Selambau 2024 EPCC & O&M Completed

50MWac Large Scale Solar Photovoltaic Plant — Bukit Selambau

Client: TNB Bukit Selambau Solar
Location: Bukit Selambau, Kedah
Capacity: 50 MWac
Area: 124 acres (~67 ha)
Contract: EPCC & O&M
Modules: Jinko 575W; Sungrow 8800VA

Developed on approximately 67 hectares using Jinko 575W PV modules and Sungrow 8800VA central modular inverters. TNEC undertaking 2 years of O&M.

COD achieved 21 Dec 2024 — 10 days ahead of schedule (ST requirement)
30MWac Bukit Selambau EPCC & O&M Completed

30MWac Large Scale Solar Photovoltaic Plant — Bukit Selambau

Client: TNB Bukit Selambau Solar
Location: Bukit Selambau, Kedah
Capacity: 30 MWac
Area: 124 acres
Contract: EPCC & O&M

TNEC also undertakes ongoing O&M for this plant, ensuring sustained performance and reliability of the facility.

Commenced operation 8 Sep 2020 — 114 days ahead of schedule
2020
2018
29MWac Kuala Muda EPCC Completed

29MWac Large Scale Solar Photovoltaic Plant — Kuala Muda

Client: Leader Solar Energy Sdn Bhd
Location: Kuala Muda, Kedah
Capacity: 29 MWac
Area: 106 acres
Contract: EPCC (TNEC-ERS JV)

A 29MWac photovoltaic power generating facility in Kuala Muda, Kedah. Commenced September 2017 and completed November 2018.

Completed November 2018 — on schedule
50MWac TNB Sepang EPCC & O&M Inaugural Project

50MWac Large Scale Solar Photovoltaic Plant — TNB Sepang (First Project)

Client: TNB Sepang Solar
Location: Kuala Langat, Selangor
Capacity: 50 MWac (78 MWdc)
Area: 243 acres
Contract: EPCC & O&M

TNEC's first solar project — and at the time, Malaysia's largest solar farm, generating 50MW to the national grid. TNEC continues O&M for this plant.

TNEC's inaugural solar project — commenced full operation November 2018
2018

TNEC Solar at a Glance

3

Large Scale Solar Plants Successfully Completed

109 MWac

Total Clean Energy Capacity Delivered to National Grid

473 ac

Total Acres Covered Across All Solar Plants

3/3

Projects Delivered Ahead of Scheduled COD

Decades of Power Infrastructure Excellence

Beyond solar and DCS, TNEC has a rich legacy of delivering critical power infrastructure across Malaysia and beyond — from high-voltage substations and power plant commissioning to grid protection upgrades and specialised electrical works.

275kV

Highest Voltage Class Delivered

20+

Substation Projects

1GW+

Power Plant Capacity Supported

3+

Countries Served

Engineering, Procurement, Construction & Commissioning — EPCC

A contracting arrangement where TNEC is responsible for all activities from design, procurement and construction through to commissioning and handover to the end-user or owner.

PPU 33/11kV Sabak BernamEPCC

PPU 33/11kV at Sabak Bernam

Client: Tenaga Nasional Berhad
Location: Selangor, Malaysia
Duration: Apr 2018 – Dec 2018

Install, test, and commission GIS switchgear 33kV and 11kV AIS and ancillary equipment including construction of temporary PPU cabin in Sabak Bernam, Selangor.

Sabah Grid ProtectionEPCC

Protection Upgrade — Sabah Grid Network Under Frequency Load Shedding

Client: Sabah Electricity Sdn Bhd
Location: Sabah, Malaysia
Duration: Jan 2017 – Jul 2018

Implementation of protection upgrade and associated works for the whole Sabah Grid Networks — Under Frequency Load Shedding system.

ABC Benchmark Kota MaruduEPCC

ABC Benchmark Project — Area Kota Marudu

Client: Sabah Electricity Sdn Bhd
Location: Sabah, Malaysia
Duration: Mar 2017 – Jun 2018

Upgrade AAC cable to ABC (Aerial Bundled Cable) under the Task Force Benchmark Project in the Kota Marudu area.

ABC Benchmark SandakanEPCC

ABC Benchmark Project — Area Seguntur Sandakan

Client: Sabah Electricity Sdn Bhd
Location: Sabah, Malaysia
Duration: Mar 2017 – Jun 2018

Upgrade AAC cable to ABC under the Task Force Benchmark Project in the Seguntur Sandakan area.

PPU Bukit RimauEPCC

PPU 33/11kV at Bukit Rimau

Client: Tenaga Nasional Berhad
Location: Shah Alam, Selangor
Duration: Sep 2017 – Feb 2018

Install, test, and commission Mobile Units PPU 33/11kV at Bukit Rimau PPU (Provisional) in Shah Alam, Selangor Darul Ehsan.

Street LightingEPCC

Lampu Jalan Kampung — HPSV & LED Street Lighting (Phase 8)

Client: Tenaga Nasional Berhad
Location: Pahang, Selangor, Johor, N. Sembilan & Melaka
Duration: Apr 2017 – Jan 2018

Supply and install village street lights (HPSV 150W & LED 90W) for the Ministry of Rural and Regional Development across 5 states.

Power Plant Engineering & Construction

From feasibility studies to full turnkey delivery, TNEC has supported some of Malaysia's most significant power generation projects.

Power Plant

Pakar & Pasir Gudang Combined Cycle Plant (243 MW)

Client: Tenaga Nasional Berhad
Location: Malaysia
Duration: Jun 1994 – Jun 1996

Procurement, erection, and commissioning of balance of plant works — mechanical and electrical — for a 243 MW combined cycle facility.

Power Plant

Kapar Power Station Phase III (2 × 500 MW)

Client: Tenaga Nasional Berhad
Location: Kapar, Selangor

Procurement, erection, commissioning, and supervision of various plant electrical and mechanical auxiliaries for 2 × 500 MW capacity at Kapar Power Station.

Power Plant

Malacca Combined Cycle Conversion (120 MW)

Client: Tenaga Nasional Berhad
Location: Malacca, Malaysia
Duration: Jan 1995 – Nov 1997

Turnkey conversion of 2 GE Frame 9 Machines into Combined Cycle operations, 120 MW capacity, in joint venture with local and international partners.

Power Plant

IPP Diesel Power Plant — Sihanoukville, Cambodia (20 MW)

Client: Electricite du Cambodge
Location: Sihanoukville, Cambodia
Duration: 1996 – 1997

Turnkey contractor for total development of a 20 MW diesel power plant, awarded via Asian Development Bank international tender.

Power Plant

Gelugor Power Plant Combined Cycle Conversion

Client: Tenaga Nasional Berhad
Location: Penang, Malaysia
Duration: Sep 2000 – Dec 2002

Full turnkey works including design, engineering, manufacturing, quality inspection, packing, delivery, erection, testing, and commissioning.

Power Plant

Kapar Power Station Coal Handling System Refurbishment

Client: Tenaga Nasional Berhad
Location: Kapar, Klang
Duration: Nov 1998 – May 2000

EPC contract for refurbishment, upgrading and extension works of the coal handling system at Sultan Salahuddin Abdul Aziz Power Station.

PMU / PPU / Substation Works

TNEC has designed, supplied, and commissioned numerous high-voltage substations across Peninsular Malaysia, Sabah, and Sarawak — from 11kV to 500kV class.

Substation

275kV Transmission Lines & Substations — Segari Energy Venture

Client: Segari Energy Venture (SEV)
Location: Lumut – Batu Gajah
Duration: Dec 1993 – Dec 1995

Project management for 275kV transmission lines from SEV Power Station and substations at SEV, Air Tawar, and Batu Gajah.

Substation

KLCC & Danau Desa 132kV GIS Substation

Client: Hyusong Industry Co Ltd (HICO)
Location: Kuala Lumpur, Malaysia
Duration: 1995 – 1996

Construction of 132kV GIS substation and supply & erection of 33kV and 11kV switchgear for KLCC and Danau Desa GIS substations.

Substation

Supply & Erect Transmission — Multiple TNB Substations

Client: Tenaga Nasional Berhad
Location: Nationwide, Malaysia

Series of transmission substation upgrades including Skudai 132/33kV, Kampar 132/33kV, Telok Kalong 275kV, Bukit Tengah 132/33kV and Bukit Batu 275/132kV extensions.

Substation

SESB Grid Network Substations — RMK-8

Client: Sabah Electricity Sdn Bhd
Location: Sabah & Labuan

Construction of new 33/11kV PPUs at Limbawang Beaufort, Ranca-Ranca Labuan, and Sandakan; plus new 33kV ring system for Tawau Airport and cabling works at PMU Lahad Datu.

Substation

Gelugor 132kV GIS Substation Upgrading

Client: Tenaga Nasional Berhad
Location: Penang, Malaysia
Duration: Nov 1999 – Apr 2001

Full turnkey design, engineering, manufacture, erection, and commissioning of a new 132kV GIS Substation with 12-month warranty period after commissioning.

Substation

132/33/11kV Sungai Besar & Kuala Selangor Extension

Client: Tenaga Nasional Berhad
Location: Selangor, Malaysia
Duration: May 2003

Design, manufacture, testing, supply, delivery, installation, commissioning and 12-month maintenance of 132kV, 33kV & 11kV switchgears and civil works.

Consultancy & Advisory Services

TNEC's consultancy arm has supported independent power producers, national utilities, and private developers with technical advisory, feasibility studies, and specialist engineering services.

Consultancy

Re-evaluation of Consultant's Recommendation — Powertek IPP Project

Client: Powertek Sdn Bhd
Location: Malacca, Malaysia

Re-evaluation of the consultant's recommendation for the turnkey contract of Powertek's independent power producer (IPP) project in Malacca.

Consultancy

GSIP Newsprint Plant — Mechanical, Electrical & C&I Consultancy

Client: Genting Sanyen Industrial Paper (GSIP)

Joint venture consultancy services covering mechanical and electrical systems design for GSIP's newsprint plant, provided on a lump sum plus reimbursable basis.

Explore Our Other Services

TNEC continues to deliver excellence in District Cooling, Cogeneration and other energy services across Malaysia.