Network Overview

The Private Building Efficiency (PBE) Network supports city efforts to improve the energy efficiency of existing commercial and residential buildings.

Energy consumed in buildings accounts for almost half of C40 cities’ carbon emissions on average, and around two thirds of this comes from private buildings. Buildings can last over 100 years, much longer than other energy-using infrastructure so increasing their energy efficiency is critical to meeting global climate goals. Improving building energy efficiency can bring many other additional benefits such as reduced energy bills, healthier workplaces, new jobs and greater energy security.

Private Building Efficiency Network Focus Areas

Cities participating in the network have prioritized three focus areas around which they are actively sharing policies, strategies, ideas and challenges with one another. The focus areas are:

Policy Development understanding what policies and programmes cities have in place

Data Insight   how cities are collecting and using building energy data

Stakeholder Engagement  encouraging owners, tenants and landlords to take action

A map of policies in place in cities in the network alongside in-depth case studies can be found in two reports: Urban Efficiency (English | Japanese) and Urban Efficiency II

The Private Building Efficiency Network is led by Sydney and Tokyo.

"This C40 network offers wonderful opportunities to learn from others on what has worked (and has not) in other cities; to undertake joint research and projects to extend our knowledge; and simply to discuss the issue of the day with colleagues in other cities facing the same issues … And as part of this contribution we were delighted to take up the offer to co-lead the buildings network with Tokyo, and help ensure that the network delivers significant value to its members."

Tom Belsham, Manager of the Sustainability Programs Unit at the City of Sydney

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