Manager Demand Forecasting

Tenaga Nasional Berhad; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Tenaga Nasional Berhad is seeking an experienced professional to lead operation forecasting in Kuala Lumpur. The role focuses on producing accurate load forecasts to meet system demand, supported by analytics and collaboration with multiple departments.

You will refine forecasts, analyze weather and holiday effects, and contribute to regulatory reporting and governance while coordinating with MetMalaysia and grid operators.

Qualifications

• Minimum 5 years of experience in forecasting with at least 3 years in load forecasting.
• Experience with weather impact and demand analysis.
• Familiarity with regulatory reporting and compliance requirements.

Responsibilities

• Review and refine operational load forecast.
• Participate in DOCKET, Weekly Coordination Meeting and MetMalaysia discussions.
• Prepare and consolidate three-month ahead demand forecast with short-term trends.
• Model development and process improvements.
• Monitor forecast performance per SBPI2: Load Forecast Accuracy and Grid Code compliance.
• Assist preparation of reports and documents for compliance and regulatory bodies.
• Conduct high-level analysis of weather contributions to demand and holidays.
• Manage software license renewal (Metrix ND/LT, weather).

Skills

Load forecasting

Data analysis

Statistical modelling

Regulatory awareness

Tools

Metrix ND/LT

Job description

Select how often (in days) to receive an alert:

Closing Date

28 October 2026

Reporting To

Senior Manager, Operation Forecasting

Mission (Sources of Values)

Produce accurate and reliable load forecasts to meet system demand

Accountability & Responsibility

• Review and refine operational load forecast


• Manage forecast-related operational matters (i.e. participate in DOCKET, Weekly Coordination Meeting, MetMalaysia discussions)


• Prepare and consolidate three-months ahead demand forecast incorporating short term trend and assumptions


• Model development and process improvements


• Monitor forecast performance accordance to the SBPI2: Load Forecast Accuracy and compliance to SBR


• Assist preparation of report, presentation and document for compliance and regulatory (e.g. DSWG, Grid Code, etc.)


• Conduct High-level analysis related to operation forecasting such as weather contribution towards demand, holiday impact, etc.


• Manage software license renewal (Metrix ND/LT, weather)

KPIs

• Annual MAPE for Revision forecast in the range of LMT >2.5, UMT <1.1


• Timely submission of Three-Months Ahead Demand Forecast


• Timely submission of reports

End Products

Daily

• Daily Error Analysis

Monthly:

• Demand Deviation Report

Annually:

Forecast Performance Report

L1-Vision

L2-Business Acumen

L3-Engaging Others

L4-Self and People Development

L5-Accountability

F-Electricity Demand Growth Relationship & Behavior

F-Technical Report Writing and Presentation

Education and Knowledge

Certifications

Experience Requirements

• Minimum 5 years working experience with 3 years’ experience in load forecast or related fields

Networking & Relations

• Meteorological Department Malaysia


• Grid System Operator


• Distribution System Operator


• Various department within TNB


• Itron