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New Workplace Exposure Limits (WEL)

Australia - The new Workplace Exposure Limits (WEL) are coming to the mining industry

On 1st December 2026, Safe Work Australia is bringing in a legally binding national limit for Diesel Particulate Matter (DPM).  For most mines, using an ESS to eliminate or hybridize stationary diesel generators can have a significant impact on the journey to compliance.

Navigating Australia’s New 0.01 mg/m³ DPM Workplace Exposure Limit

Download the WEL White Paper

If you’re heading to Diggers & Dealers in August, don’t miss the opportunity to discuss the new legislation with us in person.

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Insights

Why a mine should target the diesel generator as part of WEL

REASON 1

The Idling Problem

Unlike a haul truck that burns fuel only when moving material, a diesel generator often runs 24/7. To handle the massive electrical surge required to start a large conveyor or dewatering pump, the generator must be heavily oversized. This means for 90% of the day, it idles at low capacities (<40%). Low-capacity idling results in incomplete combustion, which produces the absolute highest concentrations of DPM and harmful gases.

REASON 2

Elimination at the Source

By deploying an Ampd ESS, you can either downsize the generator or turn it off completely during off-peak hours. If the generator is off, its local DPM, Nitric Oxide, and Carbon Monoxide emissions drop to absolute zero.

REASON 3

The Clean-Burn Window

When a generator does need to switch on to charge the Ampd battery, the battery forces the generator to run at its optimal load sweet spot (>75%). At this high capacity, the engine burns fuel cleanly and efficiently, drastically reducing the volume of particulate matter generated per liter of fuel.

As Safe Work Australia transitions to the legally binding 0.01 mg/m3 Workplace Exposure Limit (WEL) for Diesel Particulate Matter (DPM), legacy reliance on raw diesel generators carries critical operational and liability risks.

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Frequently Asked Questions

Can a battery system power a heavy-duty tower crane?

Yes. Ampd ESS units like the Ampd 400 provide up to 595 kVA of peak power, making them purpose-built for the high-torque transients of tower cranes and hoists.

How much does a site save by switching to hybrid power?

A typical hybrid setup (Ampd + small generator) reduces annual fuel consumption by 48% to 60%, leading to a purchase payback period of approximately 2 years.

What are the operational benefits beyond cost?

Switching to an Ampd BESS eliminates refueling downtime, provides 24/7 data transparency via the Enernet platform, and removes the risk of diesel spills and fire hazards.

Mining

Visit our mining product page to learn more about how an Ampd ESS can benefit your site.

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