Decommissioning Environmental Management Plans (DEMP)

A Decommissioning Environmental Management Plan (DEMP) sets out how a site will be safely closed out, dismantled and rehabilitated at the end of its life - with the environment protected throughout. It is the least-known member of the Environmental Management Plan family, but for infrastructure, energy, resource-adjacent and temporary-use projects it is increasingly a condition of approval from day one.

Queensland Ecologists prepares DEMPs that give regulators and landowners confidence that a site can be returned to a safe, stable and agreed end land use - and that the ecological values disturbed during operation are restored, not abandoned.

What Is a Decommissioning Environmental Management Plan?

A DEMP is a forward-looking plan for the decommissioning and rehabilitation phase: removing infrastructure, managing the environmental risks of that work, and rehabilitating the site to an agreed outcome. It covers both the decommissioning works (which carry construction-like risks such as sediment, weeds and fauna) and the rehabilitation and monitoring needed to demonstrate a stable, self-sustaining end state.

Where a CEMP looks at the start of a project and an OEMP at its operating life, a DEMP looks at the end - closing the loop so the site’s environmental obligations are fully discharged.

When Do You Need a DEMP in Queensland?

• As a condition of a development approval under the Planning Act 2016 for temporary, staged or fixed-life uses, where the assessing authority wants certainty about end-of-life outcomes.
• For fixed-life infrastructure and energy projects - for example solar farms, telecommunications and utility installations - where decommissioning and land rehabilitation are expected at end of life.
• Where an environmental authority or approval requires rehabilitation to a defined standard on cessation of the activity under the Environmental Protection Act 1994.
• Where operations disturbed regulated vegetation, habitat or waterways that must be rehabilitated when the use ends.

What a Queensland Ecologists DEMP Includes

• Decommissioning-phase environmental controls - erosion and sediment control, weed hygiene, fauna management and waterway protection during removal works (the same rigour as a construction plan).
• A rehabilitation strategy defining the agreed end land use and the ecological target - revegetation, landform stabilisation and soil management.
• Completion criteria - the measurable standards that define successful rehabilitation.
• A monitoring and maintenance program to demonstrate the site is trending toward, and reaches, those criteria.
• Roles, responsibilities, reporting and corrective actions through to sign-off.
• A condition-by-condition compliance table tying each decommissioning and rehabilitation condition to a control.

How the DEMP Fits With Your Other Ecological Work

A DEMP draws on the same skills as our restoration and rehabilitation plans and offset and rehabilitation monitoring, and dovetails with any offset management plan obligations. Preparing a DEMP early - even at approval stage - makes the eventual close-out cheaper and lower-risk, because the end state is designed in rather than retro-fitted.

Why Queensland Ecologists

With CEnvP certification and an exclusive Queensland focus, Queensland Ecologists brings restoration ecology and regulatory experience together to write DEMPs that satisfy the assessing authority and genuinely return land to a stable, agreed use. Established 2014; every enquiry answered within 24 hours.

Frequently Asked Questions

What does DEMP stand for?
Decommissioning Environmental Management Plan - the end-of-life counterpart to a construction (CEMP) and operational (OEMP) plan.

When is a DEMP required?
Typically for fixed-life or temporary uses - such as solar farms, utilities and staged developments - where the approval requires the site to be decommissioned and rehabilitated at end of life.

Should a DEMP be prepared at approval stage or at end of life?
Ideally at approval stage, at least in outline. Designing the end state in early reduces cost and risk, and many conditions require a DEMP framework up front with detail confirmed closer to decommissioning.

Have a decommissioning or rehabilitation condition to satisfy? Call Queensland Ecologists on (07) 3018 7538 or email [email protected] to scope your DEMP.