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Overview of existing regulatory instruments
- 2. IEA 25 Energy Efficiency Policy
Recommendations
1. Across sectors 4. Lighting
1.1 Energy efficiency data collection and indicators; 4.1 Phase-out of inefficient lighting products and
1.2 Strategies and action plans; systems;
1.3 Competitive energy markets, with appropriate 4.2 Energy-efficient lighting systems.
regulation;
1.4 Private investment in energy efficiency;
1.5 Monitoring, enforcement and evaluation of
5. Transport
policies and measures. 5.1 Mandatory vehicle fuel efficiency standards;
5.2 Measures to improve vehicle fuel efficiency;
2. Buildings 5.3 fuel-efficient non-engine components;
2.1 Mandatory building energy codes and minimum 5.4 Improving operational efficiency through
energy performance requirements eco-driving and other measures;
2.2 Aiming for net zero energy consumption buildings 5.5 Improve transport system efficiency.
2.3 Improving energy efficiency of existing buildings
2.4 Building energy labels and certificates 6. Industry
2.5 Energy performance of buildings components and
systems. 6.1 Energy management in industry;
6.2 High-efficiency industrial equipment and
3. Appliances systems;
6.3 Energy efficiency services for small and
3.1 Mandatory energy performance standards and medium-sized enterprises;
labels for appliances and equipment; 6.4 Complementary policies to support industrial
3.2 Test standards and measurement protocols for energy efficiency.
appliances and equipment;
3.3 Market transformation policies for appliances and
equipment.
7. Energy utilities
7.1 Energy utilities and end-use energy
efficiency.
© OECD/IEA 2011
- 3. Building codes types
Prescriptive. They set a separate requirement for each building element and/or piece
of equipment (i.e. U-value for windows and walls), which had to be met.
Trade-off: Some prescriptive codes offered more freedom to the designer by allowing
a trade-off between energy requirements (i.e. between U-values of the building shell).
Therefore it was possible to design one element to a lower standard so long as it was
compensated by designing another to a higher standard.
Reference buildings or Model buildings: The energy consumption or losses of the
model or a reference building are calculated based on values set for each part of it.
The energy consumption or losses of the building under consideration are then
calculated using the same methodology and the results are compared to the reference
building. The design should be at least as good, if not better. This methodology allows
designers more freedom in choosing which cost-optimum solution to implement.
Energy Frame: maximum energy losses from the building are set, usually set as a total
frame for the building, a value per m2 building area or a combination.
Performance based: Total energy requirement is set.
This approach is the one that gives a clear indication of
the resulting environmental impact in terms of energy
consumption and CO2 emissions
© OECD/IEA 2011
- 4. Interaction avec other policies
Energy labels/certificates are usually
based on building codes methodologies
Economic instruments, when targeting
building envelope (which is rare), apply
for buildings with improved envelope
compared to the requirements in the
existing energy building code
Building codes are too technical and not
easy to understand
Enforcement is usually missing
© OECD/IEA 2011