Overview and opportunity - AIRAH · Overview and opportunity Dennis Lee| Head of Technical Standards, NABERS. The pace of change. This is Shanghai in 1990. You can see a few tall
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Overview and opportunity Dennis Lee| Head of Technical Standards, NABERS
Overview and opportunityDennis Lee| Head of Technical Standards, NABERS
The pace of change
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This is Shanghai in 1990. You can see a few tall commercial buildings in the distance but aside from that there are few large scale developments.
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This is Shanghai now. As you can see, the difference is breathtaking. Obviously, there has been massive development over the last two decades and the city is now one of the centres of global finance. Crane index – 685 across Australia, 350 Sydney, 151 Melbourne. 80% cranes are residential
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Design is important Average 4.3 stars 30% 5 Star + CA’s – Design to at least 5. No CA’s 5.5 or 6. But design is not the only important thing, manage existing stock too, especially as major growth is in the resi sector
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Energy intensity
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Opportunity 1: There are huge energy savings to be made in this sector – but you already knew that. The scale is in the order of 30% on average. But you probably knew that too!
The role of policy in creatinga performance culture
#1 Government procurement policy
4.5 stars NABERS Energy requirements in leases
Government Procurement (4.5 stars)
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ERS
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ings
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Now, many of you would know that the number of buildings certified under NABERS has grown for the past eight years in a row. You wouldn’t be too surprised to hear that Australia’s largest office portfolios have achieved truly great energy performance across their portfolio.
Now, many of you would know that the number of buildings certified under NABERS has grown for the past eight years in a row. You wouldn’t be too surprised to hear that Australia’s largest office portfolios have achieved truly great energy performance across their portfolio.
Graph putting things in perspective. Increase in numbers might be great, but in terms of additional energy captured is moderate. Reflection on further reduction versus other options to make disclosure more effective (75% rule, strata, tenancies, other building types). 530 more ratings per year in the first year, up to 1,000 within two years. Opportunity 2: More buildings that have not had any energy efficiency attention now have it – predicted 500 this year with up to 1,000 the following year. On track with data to date. Opportunity 3: NABERS Assessors are at these buildings, on site to do ratings. Walk through, obtain billing data and maybe occupancy data. What can you do with that? Sounds like a basic walkthrough audit to me, easily identify ~ 30% savings. That number’s familiar – sounds about the average scope for opportunity for these buildings. So we’re already out there – what do we need to do to unleash that potential? I guess that is the key question of why we’re here.
How much money are we saving?
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Now like you saw before, not all buildings joined the program at the same time. So how much better can we expect a building to become over the years? The answer is: much, much better. What this graph is showing is the reduction in carbon emissions after multiple ratings. After just 3 ratings, the average building has reduced carbon emissions by more than 12%. By the 5th rating, by more than 25%, And by the 9th rating, by 40%. Keep in mind this is not cherry-picking buildings, this is the average improvement from thousands of NABERS-certified base building ratings. This is truly remarkable, and to me, this is one of the greatest and perhaps less well-known sustainability achievement in Australia. And you have all played a major role in this profound transformation, and I hope you all feel very proud of what you have achieved.
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Improvements by major portfolios
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What is easy to forget is that this has been a journey to greatness, most of them going from very low ratings to very high. What is also easy to forget is that not all portfolios started this journey at the same time. Back in 2004, Investa became the first company to certify and disclosure their NABERS performance across their portfolio. This was a huge first step that is often forgotten, and it really highlights to me how important the leadership of both industry and government has been to the program’s success.
The other half
Base Building Rating
Tenancy Ratings
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How can we make this application process better? Given much of the information collected is the same we’re now introducing a single rating application process. This will allow building owners/managers to leverage off the base and whole building ratings they are already doing for CBD and rate tenancies at the same time. By streamlining some of the rules around the data required for a rating, NABERS is making it easier to collect information required for tenancy ratings. This will be particularly interesting for buildings with net metering (WA, SA & Qld). As they already have access to energy metering data all that may be required is the tenants approval to lodge the rating application.
