Two ways to check. Upload your TNB bills for an exact answer in 48 hours, or estimate in 60 seconds.
It's a range based on typical medium-voltage sites under TNB's July 2025 tariff. Your actual savings depend on your load profile, which is why the free review uses your real bills.
12 months of TNB bills.
If you can, also send the half-hourly data export from myTNB.
Nothing upfront. If you act on our findings, our fee is 25% of the verified saving each month for 12 months.
If there's no saving, there's no fee.
No. Most savings come from a tariff change or adjusting start-up timing.
Nothing to install, no downtime.
Only the Rukan team and our reviewing engineer, under NDA. We delete them when you ask us.
Findings within 48 hours of receiving your bills.
Savings show from the next billing cycle after a change.