six deployment policies examined here, in contrast, would bring energy consumption and carbon emis
sions from buildings in 2025 almost back to 2004 levels (Figure 17).
At the same time the built environment in 2025 will be meeting the needs of an economy that
will have grown by 96 percent.
After 2025 the nation could begin to get the much deeper reductions
that many believe are needed to mitigate climate change.
Building Sector Energy Use in 2025
Based on a Scenario of Six Market
Transformation Policies and Expanded R&D.
Growth in Energy Use
Reductions from Six Market
Solid State Lighting
Advanced Geothermal Heat Pumps
52 Quads of Buildings Sector Energy Use in 2025
Towards a Climate Friendly