What is KWTBB on my electricity bill?

KWTBB (Kumpulan Wang Tenaga Boleh Baharu) is the Renewable Energy Fund, a 1.6% levy on your electricity bill created under the Renewable Energy Act 2011 and administered by SEDA Malaysia. TNB only collects it on the government's behalf and passes it to the fund; it is not a TNB fee or a tax.

What does the KWTBB levy pay for?

It funds the Feed-in Tariff (FiT), the mechanism that pays renewable energy producers, solar, biogas, biomass and small hydro, a premium above-market rate to feed clean electricity into the grid. In effect, the 1.6% on every bill subsidises the build-out of Malaysia's renewable generation.

Who has to pay KWTBB?

Domestic customers using 300 kWh a month or less are exempt. All non-domestic customers pay the 1.6% with no exemption threshold, so every commercial and industrial account pays it on its full consumption regardless of size.

Can a business avoid the KWTBB charge?

Since 1 August 2025, yes. The government waived the 1.6% KWTBB charge for customers on certified green energy programmes, specifically the Green Electricity Tariff (GET), Corporate Renewable Energy Supply Scheme (CRESS) and Community Renewable Energy Aggregation Mechanism (CREAM). Committing to one of these gives cleaner Scope 2 energy and removes the levy at the same time.

What Is KWTBB? The Renewable Energy Levy Explained | Cobler | Cobler

The 1.6% line you've never questioned

Near the bottom of every commercial TNB bill sits a small charge labelled KWTBB, quietly taking 1.6% of your electricity cost every month. Most businesses have paid it for years without once asking what it is or where it goes. It is not a tax, not a TNB fee, and not a mistake. It is a levy that funds Malaysia's renewable energy, and as of 2025 there is now a legitimate way for a business to stop paying it. Worth understanding, then, for a line you've been funding since 2011.

What KWTBB actually is

KWTBB stands for Kumpulan Wang Tenaga Boleh Baharu, the Renewable Energy Fund. It was created under Section 23 of the Renewable Energy Act 2011 (Act 725) and is administered by SEDA Malaysia, the Sustainable Energy Development Authority. TNB doesn't keep this money; it acts only as the collecting agent, passing the 1.6% it collects on your bill straight to the government fund.

So the charge is a pass-through. The 1.6% leaves your account, goes to TNB, and on to SEDA's renewable energy fund. It has done this on Malaysian electricity bills since 2011.

What your 1.6% pays for

The fund exists to bankroll the Feed-in Tariff (FiT), the mechanism that pays renewable energy producers a premium, above-market rate to generate electricity and feed it into the grid. Solar, biogas, biomass and small hydro generators sign long-term FiT contracts at guaranteed rates, and the difference between that premium and the normal cost of power is paid out of the KWTBB fund.

In plain terms, your 1.6% subsidises the build-out of Malaysia's renewable generation. It's a small, broad levy on everyone's electricity used to make clean energy financially viable for the people who produce it. Whether you think of that as a worthy national investment or just another line on the bill, that is what it does.

Who pays it, and who doesn't

The rule is simple and it's stricter for businesses than for households:

- Domestic customers using 300 kWh a month or less are exempt. That covers most smaller households, so many residential users never pay KWTBB at all.
- Non-domestic customers pay the 1.6% with no exemption threshold. Every commercial and industrial account pays it on its full consumption, regardless of size.

That asymmetry is the point worth noting if you run a facility: unlike the domestic exemption, there is no usage level low enough to escape KWTBB as a business. If you have a commercial account, you are paying it.

The 2025 change: now you can opt out by going green

Here's the development most operators have missed. From 1 August 2025, the government waived the 1.6% KWTBB charge for customers who participate in certified green energy programmes, specifically the Green Electricity Tariff (GET), the Corporate Renewable Energy Supply Scheme (CRESS), and the Community Renewable Energy Aggregation Mechanism (CREAM).

This is a meaningful shift in how the levy works. It has moved from a flat charge everyone simply pays to a nudge: keep buying ordinary grid power and you keep paying the 1.6%; commit to a certified green energy programme and the levy is waived. The government has, in effect, turned KWTBB from a tax into an incentive, rewarding businesses that move toward renewable supply.

For a commercial operator that already has sustainability pressure from ESG disclosure and CBAM, this stacks up. Subscribing to a programme like GET gives you cleaner Scope 2 energy and removes the KWTBB line, so the green decision and the cost decision point the same way for once.

What it means for your bill

In practical terms, KWTBB sits in the "can't really control" pile of your TNB bill, alongside the AFA and taxes. It scales with your total consumption rather than being a separate lever, so the ordinary way to shrink it is the ordinary way to shrink everything: use less electricity. The new and more interesting option is to make it disappear by switching to a certified green tariff, if that fits your energy and sustainability strategy.

Either way, the first step is knowing what you're actually paying and on what. The same equipment-level visibility that lets you attack the maximum demand charge and verify a green-energy decision is what CobiNeural provides, so a levy like KWTBB stops being a mystery line and becomes one more number you understand and can plan around. To see your full energy cost broken down and tracked, book a CobiNeural walkthrough.