Battery Energy Storage System

A Battery Energy Storage System (BESS) captures and stores electricity — from the grid or your solar — so you can use it when it’s most valuable. It’s your silent partner in lowering costs, boosting efficiency, and keeping operations running without interruption.

WHY SUNBESS?

Slash Peak Demand Charges

The new Capacity + Network charges (formerly Maximum Demand) are based on your highest demand spike each month. BESS performs “peak shaving” — automatically supplying stored power during those spikes so your charges stay lower for the entire billing period.

Cut Energy Bills Under New Tariff

With Malaysia’s updated tariff structure, capacity and network charges are higher than ever. BESS stores energy when rates are low (or free from your solar panels) and discharges it during expensive peak hours. This directly cuts the most expensive portions of your bill without changing your operations.

Get the Full Value from Your Solar

Without storage, any excess solar you generate but don’t use instantly is wasted. With BESS, you can store that surplus energy and use it later — boosting your solar ROI and accelerating your payback time.

Lower Carbon. Boost ESG Scores.

Charge BESS with solar and slash reliance on fossil fuels. This directly reduces emissions, strengthens ESG scores, strengthens investor confidence, and positions your business for sustainability-linked incentives.

Claim Green Tax Incentives

In Malaysia, BESS is eligible for the Green Investment Tax Allowance (GITA) — allowing you to offset a significant portion of your investment cost. SunBESS qualifies for Malaysia’s Green Investment Tax Allowance (GITA), helping you recover a significant portion of your investment.

Be Ready for Tomorrow’s Energy Rules

Electricity prices and carbon regulations are only moving upwards. Investing in BESS now locks in energy savings and positions your business to adapt seamlessly to stricter environmental policies in the future.

From 1 January 2026, SELCO users with solar systems above 72kWp will be required to install BESS.

HOW IT WORKS?

1
Charge
during off-peak hours or from your solar panels
2
Store
energy ready in BESS
3
Discharge
during peak hours or outages

Every ringgit you overpay on your electricity bill is profit you’ll never get back.

With SunBESS, you can get ahead of the 2026 storage requirement, avoid the last-minute scramble, and choose a solution built for your business — not whatever’s left when the deadline hits.

Our commitment to provide you the best experience.

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