Infrastructure Sustainability
A practical guide to IS Ratings, infrastructure sustainability and stronger environmental performance across major Australian projects and assets.
For project teams, consultants and asset owners navigating planning requirements, carbon, resilience, resource efficiency and the delivery systems that support infrastructure sustainability outcomes.
Discuss Your IS Rating PathwayIn Brief
An ISCA assessment refers to the infrastructure sustainability rating pathway associated with the Infrastructure Sustainability Council and the IS Rating Scheme. It is used to guide, assess and recognise sustainability performance across infrastructure projects, assets and programs.
ISCA remains a commonly used industry term, although the organisation is now generally referred to as the Infrastructure Sustainability Council, or ISC. The rating pathway may apply where major infrastructure projects need to plan, document, measure and demonstrate sustainability outcomes through a recognised framework.
An IS Rating can consider performance across planning, design, construction and operation, including governance, procurement, climate resilience, carbon, energy, water, materials, waste, community value and long-term asset performance. The strongest outcomes usually occur when rating requirements are integrated early rather than treated as a late-stage reporting exercise.
Governance, environmental performance, social value, carbon, resources, resilience, procurement and whole-of-life asset outcomes.
For major infrastructure, public assets, transport corridors, utilities, precincts and programs requiring a structured sustainability rating pathway.
It helps embed sustainability into planning, design, delivery and operation rather than leaving it as a late compliance or reporting task.
Knowledge Navigation
Use this guide to explore infrastructure sustainability ratings, lifecycle performance, carbon, resilience, water, materials, governance and major project coordination.
Foundation
Understand ISCA, ISC and the role of infrastructure sustainability ratings in major project performance.
Rating Framework
Explore how IS Ratings support sustainability assessment across planning, design, construction and operation.
Project Application
See when ISCA may apply to public infrastructure, precincts, utilities, transport and civic assets.
Asset Lifecycle
Follow sustainability considerations from early planning through delivery, handover and long-term operation.
Carbon and Resources
Connect energy, embodied carbon, material efficiency and resource use to infrastructure sustainability outcomes.
Resilience
Consider how infrastructure assets respond to heat, flooding, extreme weather and future operating conditions.
Resource Management
Understand water-sensitive infrastructure, responsible material choices and construction waste pathways.
Project Governance
Learn how evidence, procurement, consultant coordination and documentation support rating outcomes.
Infrastructure Sustainability
ISCA is commonly used to refer to the Infrastructure Sustainability Council of Australia, now known as the Infrastructure Sustainability Council. In project conversations, the term is often used more broadly to describe the sustainability rating pathway, documentation process and performance expectations connected with the IS Rating Scheme.
The IS Rating Scheme provides a structured framework for assessing sustainability performance across infrastructure projects, assets and programs. It helps project teams consider how infrastructure performs across environmental, social, economic and governance areas, rather than treating sustainability as a separate report at the end of design.
For major projects, ISCA can influence how sustainability is planned, coordinated, evidenced and delivered. It may shape early design decisions, procurement requirements, consultant responsibilities, construction documentation and long-term asset performance. This makes it especially relevant for infrastructure projects where performance needs to be demonstrated across the full project lifecycle.
The language can be confusing because ISCA remains a common search term, while ISC is the current organisational name. The important project question is usually whether an IS Rating pathway applies.
A commonly used term for infrastructure sustainability assessment in Australia, especially in older project language and search behaviour.
The Infrastructure Sustainability Council, which manages the IS Rating Scheme and supports sustainable infrastructure practice.
The rating pathway used to assess and recognise sustainability performance across infrastructure planning, delivery and operation.
Rating Pathways
Infrastructure sustainability ratings provide a structured way to assess how well an infrastructure project or asset responds to sustainability objectives. Rather than focusing on one isolated environmental measure, an IS Rating can help project teams consider performance across governance, environment, social value, resource use, resilience and long-term asset outcomes.
The rating process is generally most effective when it is considered early. Planning decisions, design assumptions, procurement requirements and construction systems can all influence the final sustainability outcome. If these requirements are only reviewed late in the project, important evidence or design opportunities may already have been missed.
For project teams, an infrastructure sustainability rating can act as both a framework and a coordination tool. It helps clarify what needs to be assessed, who is responsible for evidence, how sustainability commitments are documented, and how performance is carried from early planning through to delivery and operation.
Sustainability objectives can be embedded into early project decisions, option assessments, client requirements and procurement pathways.
Design teams can respond to rating requirements through carbon reduction, material selection, water management, resilience, efficiency and whole-of-life thinking.
Contractors may need to manage evidence, procurement records, waste outcomes, material data, site practices and implementation of sustainability commitments.
Long-term asset performance depends on how infrastructure is maintained, operated, monitored and adapted over time.
Major Project Pathways
ISCA may become relevant when an infrastructure project needs a recognised sustainability rating pathway, either because it is required by a client, government agency, procurement framework, funding condition or project brief. It may also be considered voluntarily where an asset owner wants to demonstrate a more structured approach to sustainability performance.
The pathway is most common on major infrastructure projects, public assets, transport corridors, water infrastructure, utilities, civic works, precinct infrastructure and large-scale development interfaces. These projects often involve multiple consultants, staged delivery, complex approvals and long-term asset performance expectations.
ISCA is not only about whether a project can achieve a rating. It is also about whether sustainability requirements have been properly understood, assigned, documented and carried through the project lifecycle. The earlier this is clarified, the easier it becomes to avoid gaps between planning intent, design decisions, construction evidence and operational outcomes.
ISCA may be required where government agencies or public infrastructure owners need sustainability performance to be formally assessed and evidenced.
Large projects may use IS Ratings to coordinate sustainability across design teams, contractors, procurement systems and long-term asset requirements.
Infrastructure owners may pursue a rating pathway to support governance, climate resilience, emissions reduction, resource efficiency and whole-of-life value.
Lifecycle Performance
ISCA and infrastructure sustainability ratings are most effective when they are considered across the full project lifecycle. For major infrastructure projects, sustainability performance is shaped long before construction begins. Early planning decisions can influence carbon, material intensity, water management, climate resilience, community outcomes and the long-term operation of the asset.
An IS Rating pathway can help project teams connect sustainability objectives with the practical stages of infrastructure delivery. This includes early feasibility, planning approval, design development, procurement, construction documentation, contractor delivery, handover and asset operation. Each stage affects the evidence, decisions and responsibilities needed to demonstrate infrastructure sustainability performance.
When ISCA requirements are introduced too late, project teams may need to retrofit evidence or revisit decisions that should have been addressed earlier. A lifecycle approach allows sustainability to become part of project governance, consultant coordination and asset performance, rather than a separate reporting exercise.
Early planning can define the sustainability ambition, rating pathway, procurement expectations and environmental performance priorities for the infrastructure project.
Design decisions can influence embodied carbon, operational energy, water-sensitive design, climate resilience, materials, accessibility and long-term asset performance.
Construction delivery may involve evidence collection, material records, waste tracking, procurement documentation and confirmation that sustainability commitments are implemented on site.
Operational performance depends on how the infrastructure asset is maintained, monitored, adapted and managed over time.
Infrastructure assets often remain in use for decades. A lifecycle approach helps ensure that sustainability performance is not only designed, but also delivered, evidenced and carried into operation.
For an infrastructure sustainability rating, lifecycle thinking can help reduce the gap between project intent and asset reality. It supports clearer decision-making around whole-of-life value, carbon reduction, resource efficiency, climate adaptation, operational maintenance and long-term resilience.
This is especially important for major infrastructure projects where the planning team, design team, construction contractor and asset operator may not be the same group. ISCA-related coordination helps keep sustainability requirements visible as the project moves from one stage to the next.
Infrastructure Performance Areas
ISCA and infrastructure sustainability ratings consider more than environmental performance alone. Major infrastructure projects can affect communities, ecosystems, procurement systems, asset resilience, public access, emissions, resource flows and long-term operational outcomes. For this reason, infrastructure sustainability is usually assessed through a wider performance lens.
Environmental performance may include energy, carbon, water, materials, waste, land use, ecology, pollution prevention and climate resilience. Social performance may consider community benefit, accessibility, health, safety, inclusion, local outcomes and the way people experience infrastructure over time. Governance performance focuses on how sustainability commitments are managed, evidenced, procured and delivered.
This broader structure helps project teams move beyond isolated sustainability initiatives. Instead of asking whether a project has one or two environmental features, an IS Rating pathway asks whether sustainability has been integrated into the systems, decisions and responsibilities that shape the project from planning through to operation.
Infrastructure assets often serve public, civic or essential functions. Their sustainability performance is therefore connected to both technical outcomes and long-term public value.
Carbon, energy, water, materials, waste, ecology, pollution, climate resilience and resource efficiency.
Community benefit, accessibility, health, safety, inclusion, local value and the lived experience of infrastructure.
Procurement, documentation, assurance, evidence, responsibility mapping and delivery of sustainability commitments.
On major projects, sustainability performance is rarely owned by one consultant or one report. It is distributed across design decisions, engineering inputs, client requirements, procurement systems, construction delivery, community outcomes and asset operation. ISCA helps give those moving parts a more structured assessment pathway.
Carbon and Resource Efficiency
Energy, carbon and resource efficiency are central to infrastructure sustainability ratings. Major infrastructure projects can create environmental impacts through the materials they use, the way they are constructed, the energy they consume, and the way they are operated over time. For this reason, ISCA and IS Rating pathways often require project teams to consider both embodied impacts and long-term operational performance.
Embodied carbon may be influenced by concrete, steel, asphalt, aggregates, imported materials, construction processes and supply chain choices. Operational emissions may be linked to lighting, pumping, ventilation, controls, transport systems, maintenance regimes and the energy sources used across the asset lifecycle.
Resource efficiency is closely connected to these outcomes. A well-considered infrastructure sustainability pathway can help reduce material intensity, improve durability, support responsible sourcing, limit construction waste and encourage whole-of-life decision-making rather than short-term project optimisation.
Infrastructure assets may require energy for lighting, pumping, mechanical systems, controls, transport interfaces and ongoing operation.
Materials, construction processes, transport, procurement and replacement cycles can all affect the embodied carbon profile of a project.
Efficient material use can reduce waste, lower environmental impact and support more durable infrastructure outcomes.
Whole-of-life thinking considers maintenance, replacement, operational performance and long-term asset outcomes, not only upfront cost.
Carbon reduction is usually easier when it is addressed before major design and procurement decisions are locked in. Early-stage decisions can influence structural systems, material quantities, construction sequencing, supply chains and operational energy demand.
For ISCA and infrastructure sustainability rating pathways, this means carbon and resource efficiency should be treated as project-shaping issues, not late-stage calculations. The rating process can help keep these decisions visible across design, documentation and delivery.
Climate Resilience
Major infrastructure assets are often expected to operate for decades. Roads, rail corridors, bridges, stations, public realm, water systems and utilities may need to remain functional through changing climate conditions, population growth, operational pressure and more frequent environmental disruption.
Climate resilience is therefore not separate from infrastructure sustainability. It is part of the long-term performance question: whether the asset can continue to provide value, safety, access and service under future conditions.
ISCA and infrastructure sustainability rating pathways can help project teams consider climate resilience as part of planning, design, construction and operation. This may include exposure to heat, flooding, stormwater intensity, bushfire risk, coastal conditions, material durability, operational continuity and the ability of infrastructure systems to recover after disruption.
For major infrastructure projects, resilience is shaped by early decisions. Site selection, design levels, drainage strategy, landscape integration, material durability, passive cooling, redundancy, maintenance access and emergency response assumptions can all affect how an asset performs over time.
A stronger infrastructure sustainability pathway considers both current requirements and future risk. This helps project teams move beyond short-term compliance and toward infrastructure that remains useful, adaptable and environmentally responsible across its full lifecycle.
Resilient infrastructure may need to respond to heat exposure, urban heat island impacts, shading, material performance and public comfort.
Drainage, water-sensitive design, overland flow, detention, treatment and landscape systems can influence long-term infrastructure resilience.
Essential infrastructure may need to maintain service during disruption, recover quickly and support safe access for users and operators.
Long-term performance depends on material durability, maintenance planning, replacement cycles and the ability to adapt over time.
Water, Materials and Waste
Water, materials and waste are practical performance areas within infrastructure sustainability ratings. For major infrastructure projects, these issues are not only environmental considerations. They can affect planning approvals, construction delivery, asset durability, operational cost, climate resilience and the way infrastructure interacts with surrounding land, water and communities.
Water-sensitive infrastructure may include stormwater treatment, detention, reuse, irrigation efficiency, landscape integration, erosion control, flood response and protection of receiving waterways. These decisions often need coordination between civil engineers, landscape architects, stormwater consultants, ecologists, planners and sustainability teams.
Materials and waste pathways can include responsible sourcing, recycled content, low-impact material selection, construction waste diversion, reduced material intensity and design for durability. When considered early, these pathways can help reduce environmental impact while supporting a more efficient and accountable infrastructure delivery process.
Infrastructure projects often involve significant earthworks, hard surfaces, drainage systems, concrete, steel, asphalt, imported products and construction waste streams. Small decisions across each area can compound into a much larger sustainability outcome.
ISCA and IS Rating pathways help bring these decisions into a structured framework, so that water management, material selection and waste reduction are considered as part of the project’s wider sustainability performance.
Stormwater, detention, treatment, reuse, landscape integration and protection of downstream waterways can all support infrastructure sustainability outcomes.
Material selection may consider embodied carbon, recycled content, durability, responsible sourcing, availability and whole-of-life performance.
Waste planning can support diversion from landfill, better site management, cleaner procurement records and more accountable construction delivery.
Efficient resource use can reduce environmental impact, support cost control and improve the long-term performance of infrastructure assets.
On many Australian infrastructure projects, water, materials and waste pathways need to be coordinated with WSUD reports, stormwater strategy, civil documentation, landscape design, procurement requirements and construction evidence. ISCA helps these separate pieces sit within one clearer sustainability performance framework.
Governance and Assurance
ISCA and infrastructure sustainability rating pathways depend on more than technical design outcomes. Governance, procurement and assurance are central to how sustainability commitments are defined, assigned, delivered and verified across a major infrastructure project.
A project may have strong sustainability ambitions at the planning stage, but those ambitions need to be carried into consultant scopes, design reports, procurement documents, contractor requirements, construction records and handover information. Without a clear governance structure, sustainability requirements can become fragmented between project teams.
This is why ISCA-related work often involves evidence management, responsibility mapping and documentation control. The rating pathway helps project teams demonstrate not only what was intended, but how sustainability performance was embedded into the systems and decisions used to deliver the infrastructure asset.
On major infrastructure projects, evidence is often created across many different disciplines. Civil engineers, sustainability consultants, contractors, suppliers, planners, architects, project managers and asset operators may all hold part of the documentation needed for an IS Rating.
When evidence requirements are understood early, the project team can capture the right information at the right time, rather than trying to reconstruct decisions after design or construction has already progressed.
Governance helps define who is responsible for sustainability decisions, documentation, approvals, evidence and rating coordination.
Procurement pathways can influence material selection, supplier requirements, contractor obligations, responsible sourcing and carbon reduction opportunities.
Reports, registers, specifications, design records, construction data and handover documents may all contribute to rating evidence.
Assurance supports confidence that sustainability commitments have been properly evidenced, reviewed and carried through the project lifecycle.
If ISCA requirements are not embedded early, project teams may discover too late that evidence was not captured, responsibilities were unclear, procurement records are incomplete or sustainability commitments were not transferred into construction and operation. A clear governance and assurance pathway helps reduce these gaps before they become difficult to resolve.
Connected Sustainability Frameworks
ISCA and IS Ratings are focused on infrastructure sustainability, while other sustainability frameworks may apply to buildings, precincts, operational assets, planning reports or specific environmental performance areas. On major projects, these frameworks can overlap, especially where infrastructure, buildings, public realm, landscape, transport, water systems and long-term asset operation are delivered together.
Green Star is often used for sustainable buildings, fitouts, communities and precinct-scale outcomes. NABERS is focused on measured operational performance for buildings and tenancies. WSUD addresses water-sensitive urban design and stormwater management. SMPs and SDAs are commonly used in planning-stage sustainability pathways for development projects.
Understanding the relationship between ISCA and these other frameworks helps project teams avoid duplication, clarify responsibilities and choose the right pathway for each part of the project. A major infrastructure project may not need every framework, but it often needs a clear map of which sustainability requirements apply, where they apply and how they should be evidenced.
Used for infrastructure sustainability assessment across major projects, assets and programs. ISCA is most relevant where infrastructure performance, delivery systems, governance, resilience, carbon, resources and lifecycle outcomes need to be assessed through a recognised rating pathway.
Commonly used for sustainable building, fitout, community and precinct outcomes. Green Star may sit alongside ISCA where a project includes both infrastructure systems and building or precinct components.
Focuses on measured operational performance, particularly for energy, water, waste and indoor environment outcomes in buildings. NABERS may be relevant where infrastructure projects include operational buildings or commercial assets.
WSUD supports stormwater and water-sensitive design outcomes, while SMPs and SDAs often support planning-stage sustainability requirements. These documents can inform or sit beside broader infrastructure sustainability pathways.
On complex projects, sustainability requirements can sit across several frameworks. Mapping them early helps project teams see which requirements belong to infrastructure, buildings, public realm, planning, water management or operational performance.
This is especially important for mixed-use precincts, transport-oriented developments, civic infrastructure, public assets and large-scale masterplanned projects. A project may include infrastructure works that align with ISCA, building components that align with Green Star or NABERS, and planning-stage obligations that require an SMP, SDA or WSUD response.
A clear framework map supports better consultant coordination, stronger evidence pathways and a more coherent sustainability strategy across the full project lifecycle.
Project Team Coordination
ISCA requirements usually sit across multiple disciplines. On a major infrastructure project, sustainability performance may depend on civil engineering, building services, landscape design, water management, procurement, construction methodology, environmental planning, asset operation and client governance. No single report or consultant can usually carry the full rating pathway alone.
A clear coordination process helps identify which team is responsible for each sustainability requirement, which design decisions affect the IS Rating, and what evidence needs to be captured during planning, design, construction and handover. This is especially important when infrastructure projects are delivered through multiple packages, staged approvals or separate design and construction teams.
Strong coordination also reduces the risk of sustainability gaps. If consultant scopes, contractor obligations and evidence requirements are not aligned early, rating credits may become difficult to demonstrate later. ISCA-related coordination helps keep sustainability visible as the project moves from strategy into technical documentation and delivery.
For infrastructure sustainability ratings, the process often matters as much as the final submission. The project team needs to understand how sustainability requirements are translated into decisions, drawings, specifications, procurement records and construction evidence.
This makes ISCA relevant to project managers, design leads, sustainability consultants, contractors, engineers, planners, procurement teams and asset owners.
Each ISCA requirement needs a clear owner, whether it sits with design, procurement, construction, sustainability, planning or asset operation.
Evidence may come from design reports, specifications, registers, procurement records, site documentation, modelling outputs and contractor submissions.
Carbon, water, materials, resilience, landscape, transport, energy and operational outcomes often rely on coordination between multiple design disciplines.
Sustainability commitments need to be carried from planning and design into construction, commissioning, handover and long-term asset management.
Infrastructure sustainability ratings are easier to manage when project teams know what needs to be evidenced, when evidence is created, and who is responsible for each part of the process. Early ISCA coordination helps reduce duplication, protect rating opportunities and support a more coherent sustainability pathway across the project lifecycle.
Last reviewed: June 2026. This page is maintained by Certified Energy as part of its Commercial Performance Knowledge Hub.
Future Infrastructure Performance
Infrastructure sustainability is becoming more integrated, measurable and lifecycle-focused. Major projects are increasingly expected to demonstrate how they respond to carbon reduction, climate resilience, resource efficiency, community value, procurement accountability and long-term operational performance.
ISCA and infrastructure sustainability ratings sit within this wider shift. They help project teams move beyond isolated environmental initiatives and toward a more structured understanding of how infrastructure performs across planning, design, construction and operation. This is especially important for assets that will shape communities, transport systems, water networks, civic places and public services for decades.
The future of sustainable infrastructure is likely to depend on better coordination between rating systems, technical performance, governance, evidence, procurement and asset management. For project teams, this means sustainability needs to be visible early, carried carefully through delivery, and maintained as part of the asset’s long-term value.
Infrastructure sustainability is moving from isolated compliance tasks toward measurable performance across carbon, resilience, resources, water, materials and operation.
Sustainable infrastructure needs to perform beyond practical completion, with decisions made during planning and design carried into operation, maintenance and adaptation.
Rating pathways place greater emphasis on documented decisions, verifiable outcomes, responsible procurement and sustainability commitments that can be demonstrated.
ISCA does not sit alone. It belongs within a broader project ecosystem that may include Green Star, NABERS, WSUD, SMPs, SDAs, carbon analysis, climate resilience planning and operational performance strategy.
For Certified Energy’s future knowledge system, ISCA can act as the infrastructure sustainability layer. It connects major project delivery with the wider built-environment performance themes already shaping buildings, precincts, public assets and operational portfolios.
This creates a clearer pathway for project teams who need to understand not only whether a rating applies, but how infrastructure sustainability connects with planning, environmental performance, procurement, technical reporting and long-term asset outcomes.
Frequently Asked Questions
ISCA commonly refers to the Infrastructure Sustainability Council of Australia. The organisation is now generally known as the Infrastructure Sustainability Council, or ISC. Many project teams still use ISCA when referring to infrastructure sustainability ratings, IS Rating pathways and major project sustainability requirements.
An IS Rating is an infrastructure sustainability rating used to assess and recognise sustainability performance across infrastructure projects, assets or programs. It can consider environmental, social, economic and governance outcomes, including carbon, energy, water, materials, waste, resilience, procurement and lifecycle performance.
ISCA may be required when a government agency, infrastructure owner, procurement framework, funding condition, tender requirement or project brief asks for an IS Rating or recognised infrastructure sustainability pathway. It may also be used voluntarily where an asset owner wants structured sustainability assessment and evidence.
ISCA and IS Rating pathways may be relevant for transport projects, rail corridors, road infrastructure, water infrastructure, utilities, public realm works, civic assets, precinct infrastructure, civil works and major infrastructure programs. The exact pathway depends on the project scope, client requirements and rating objective.
No. ISCA and IS Ratings are focused on infrastructure sustainability, while Green Star is more commonly used for buildings, fitouts, communities and precincts. Some major projects may involve both frameworks where infrastructure, buildings, public realm and precinct outcomes overlap.
ISCA-related sustainability assessment can include carbon, energy, resource efficiency, materials, waste, water and climate resilience. The specific requirements depend on the IS Rating pathway, project type, rating tool version and sustainability objectives set for the infrastructure project.
ISCA should be considered early because many sustainability outcomes are shaped during planning, design and procurement. Early coordination helps project teams assign responsibilities, capture evidence, protect rating opportunities and avoid late-stage gaps in documentation or delivery.
ISCA evidence is usually shared across the project team. It may involve sustainability consultants, engineers, architects, planners, contractors, procurement teams, suppliers, project managers and asset operators. Clear responsibility mapping helps ensure the right evidence is captured at the right stage.
Yes. While ISCA is often associated with public infrastructure and government procurement, IS Rating pathways may also be relevant for private infrastructure, utilities, precinct works, major developments or asset owners seeking formal sustainability performance assessment.
Certified Energy can help project teams understand how ISCA requirements connect with planning, environmental performance, technical documentation, rating coordination, sustainability evidence and related frameworks such as Green Star, NABERS, WSUD, SMPs and SDAs.
Related Knowledge References
ISCA sits within a wider sustainability and building performance ecosystem. Major infrastructure projects may also need to consider building ratings, operational performance, water-sensitive urban design, planning-stage sustainability documentation, energy performance and long-term asset strategy.
These related knowledge areas can help project teams understand how infrastructure sustainability connects with broader planning, compliance, environmental performance and asset operation requirements.
Explore how Green Star supports sustainable building, precinct and community outcomes that may sit beside infrastructure sustainability requirements.
Understand how operational energy, water, waste and indoor environment performance can shape long-term asset strategy.
Learn how water-sensitive urban design supports stormwater, landscape, flooding, treatment and receiving-water outcomes.
See how sustainability management plans and sustainable design assessments support planning-stage environmental performance.
Understand commercial building energy efficiency requirements and how performance pathways can support compliance.
Explore how comfort, heat, glazing, orientation and building performance modelling can inform sustainable design decisions.
For major projects, the right sustainability pathway may involve more than one framework. Mapping ISCA, Green Star, NABERS, WSUD, SMP, SDA and energy performance requirements early can help reduce duplication and improve project coordination.
Project Review
Send the available project brief, infrastructure scope, sustainability objectives and rating requirements for an initial review. Certified Energy can help determine how ISCA, ISC or an IS Rating may relate to planning, design coordination, evidence and environmental performance.
Early review can help map rating expectations, coordinate documentation and connect infrastructure sustainability requirements with Green Star, NABERS, WSUD, SMP, SDA and other relevant technical performance pathways.
Last reviewed: June 2026. This page is maintained by Certified Energy as part of its ISCA Knowledge Hub.
