Model your project savings and peak-demand reduction
Calculate ROIStop Paying forMaximum DemandSpikes
Lower your TNB Maximum Demand charges with battery storage sized from your own bills. Real-time peak shaving under Malaysia's July 2025 tariff.
Live Demand Monitor
Illustrative load tracking demo
Illustrative demo: MD charge accumulating
Since you opened this page (illustrative demo, based on an RM 50k/month MD charge spread over time; not a real bill)
See Peak Shaving in Action
Watch how battery storage "shaves" the peaks off your demand curve, keeping you below the MD threshold and saving thousands monthly.
TNB Peak Hours (July 2025 Tariff)
Monday to Friday
2:00 PM - 10:00 PM
Weekends & Holidays
Off-Peak all day
Understanding Your MD Charges
Maximum Demand charges under the new unbundled TNB tariffs. These charges can be a large share of your total electricity bill.
Medium Voltage (MV ToU)
High Voltage (HV ToU)
Medium Voltage (MV Gen)
Example: Manufacturing Plant
A factory with 2,000 kW maximum demand under Medium Voltage General tariff:
With Peak Shaving (illustrative 35% reduction):
Calculate Your Potential Savings
Enter your current Maximum Demand and see how much you could save with intelligent peak shaving. Based on actual July 2025 TNB tariff rates.
Lower Your MD Peak
Maximum Demand charges are a large share of many commercial bills. Peak shaving targets the spikes that set them.
BESS + Solar Integration
Combine battery storage with solar for maximum savings. Charge during off-peak, discharge during peak.
Predictable Energy Costs
Automated load management keeps your demand profile flatter, reducing surprise MD spikes.
Real-Time Monitoring
Live dashboard tracks your demand curve and battery state. Get alerts before MD spikes occur.
MD Savings Calculator
MD Rate: RM 97.06/kW/month
Current MD Cost
RM 145,590
/month
After Peak Shaving
RM 101,913
/month (1050 kW)
Monthly Savings
RM 43,677
Yearly Savings
RM 524,124
900 kWh
Battery Size
~RM 1.17 million – RM 1.89 million
Indicative cost (quoted per site)
Per site
Payback
Illustrative Scenarios by Industry
Modelled examples, not client results. Your figures are calculated from your own bills.
Manufacturing Plant
Monthly Savings
RM 62,489
Shopping Mall
Monthly Savings
RM 38,824
Data Center
Monthly Savings
RM 35,856
Hotel & Resort
Monthly Savings
RM 24,265
From Audit to Savings
Our 4-step process helps design a suitable system with a transparent ROI projection for your facility.
Energy Audit
We analyze 12 months of TNB bills and identify your demand patterns and peak periods
Custom Design
Our engineers design an optimal BESS solution sized for your specific load profile
Installation
Professional installation with minimal disruption to your operations
Optimization
The energy management system tunes battery dispatch to your load patterns
Peak Shaving Questions Answered
Everything you need to know about Maximum Demand reduction in Malaysia.
Get a Custom Solar Proposal for Your Peak Shaving Needs
Our engineers will analyze your TNB bills and design an optimal BESS solution to slash your Maximum Demand charges.
- Sizing from your 12 months of TNB bills and shift pattern
- Roof, switchboard and single-line diagram reviewed by our engineers
- Available incentives (GITA for solar, subject to MGTC verification) and Solar ATAP eligibility checked for your premises
- SEDA-registered PV Service Provider (RPVSP-2026/373) · SSM 201301044881 (1074704-D)
Prefer to talk first? Message our commercial team on WhatsApp.
WhatsApp UsGet Your Free Quote Today
Our engineers will remotely analyze your TNB bills and show you an estimate of what you could save with peak shaving. No obligation.