The GEC developed two levels of emissions standards: low carbon and ultra-low carbon (ULCS). To meet the low carbon standard, a solar module, including its frame, must have an embodied carbon footprint equal to or less than 630 kg CO 2 e/kWp. To meet the ULCS standard, a module''s footprint must be at or below 400 kg CO 2 e/kWp.
Although practice has proven that ultra-low energy buildings can greatly reduce energy consumption, it is still difficult to promote ultra-low energy buildings in the Hot Summer and Cold Winter Climate Zone of China.
To vigorously promote ultra-low and net-zero energy consumption buildings, the Ministry of Housing and Urban-Rural Development (MOHURD) of China issued the “Passive Ultra-low Energy Consumption Technical Guidelines” in 2015 , which led to the trend of the development of ULEBs.
Besides, according to calculation, the energy consumption of the benchmark scheme of the ultra-low energy housing adopting a “full space and continuous energy use behavior” is 8.6 kWh/m 2 (with reference to GBT 51350 [ 8 ]), with an incremental cost of 105.13 yuan/m 2.
Ultra-Low-Energy Buildings set more ambitious energy efficiency standards, using the most-energy-efficient components and systems available to reduce the energy consumption. This energy consumption should preferably be covered by renewable energy sources such as solar energy, ambient and geothermal energy, sustainable biomass etc.
Established ultra-low energy buildings standards, such as the Passivhaus, are based on operational conditions of “full space and continuous-time” for heating and cooling [ 14 ], which do not correspond to typical energy-use behavior in China.
This is taken as the threshold of the technical parameters of ultra-low energy housing; namely, its technical parameters are used as the optimized benchmark values, including the minimum insulation thicknesses of north wall, west wall, east wall and roof at 0.07 m, 0.09 m, 0.09 m and 0.06 m, respectively.
The GEC developed two levels of emissions standards: low carbon and ultra-low carbon (ULCS). To meet the low carbon standard, a solar module, including its frame, must have an embodied carbon footprint equal to or less than 630 kg CO 2 e/kWp. To meet the ULCS standard, a module''s footprint must be at or below 400 kg CO 2 e/kWp.
behind-the-meter solar PV for residential, commercial and industrial users, as well as smaller-scale solar PV connected to the distribution networks. Innovations that drive down the cost of utility-scale solar can also benefit these markets. THE INCREDIBLE ULCS: HOW ULTRA LOW-COST SOLAR CAN UNLOCK AUSTRALIA''S RENEWABLE ENERGY SUPERPOWER 4 …
The notion of ultra-low-cost solar (ULCS) has been gaining traction since Australian Renewable Energy Agency (ARENA) CEO Darren Miller made it the topic of a plenary session at the 2022 All-Energy conference in Melbourne. Miller positioned UCLS at the heart of the agency''s new strategy, and now ARENA has announced $41.5 million (USD 28.5 million) …
The ultra-low energy building is an effective solution to reduce building energy …
Based on an analysis of actual data obtained from energy consumption monitoring, verification of energy-saving renovations and green building evaluations in Chongqing, this paper suggests setting the target value for ultra-low energy consumption buildings in hot summers and cold winters areas at 29.04 kWh/(m 2.a), proposes a technology system ...
The technical guidelines were developed based on international good practices in constructive passive, low-energy buildings and supports the target of the New Urbanisation Plan (2015-2020), which requires 50% of new buildings to be green.
Ultra-Low-Energy Buildings set more ambitious energy efficiency standards, using the most-energy-efficient components and systems available to reduce the energy consumption. This energy consumption should preferably be covered by renewable energy sources such as solar energy, ambient and geothermal energy, sustainable biomass etc. It can be ...
ultra-low energy consumption renovation of residential buildings and carbon emission …
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This will also enable ARENA to work towards its vision for ultra-low-cost solar, arguing that a ''30-30-30'' approach to solar, representing 30% solar module efficiency and an installed cost of ...
Rural energy consumption plays an important role in energy consumption due to the improvement of rural residents'' living quality requirements in China. Ultra-low energy rural residential buildings are proposed to decrease rural energy consumption. First of all, this paper aims to provide the definition of ultra-low energy rural residential buildings, which is to reduce …
ultra-low energy consumption renovation of residential buildings and carbon emission measurement and comparison, combined with the climate characteristics of
In China, aligning with the goals of carbon peak and neutrality, the 14th Five-Year Plan explicitly outlines the target of constructing over 50 million square meters of ultra-low energy and nearly ZEBs by 2025 [3].
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In this study, the single-factor and two-factor sensitivity analysis is applied to …
In China, aligning with the goals of carbon peak and neutrality, the 14th Five …
However, relatively little research has been conducted on the life …
In this study, the single-factor and two-factor sensitivity analysis is applied to find the relationship between window-wall ratio, solar heat gain coefficient,shape coefficient and the heating...
This study aims to explore the technical optimization scheme of ultra-low energy housing that meets the multiple objectives of energy saving, thermal comfort and economy, by using a probabilistic model of residents'' energy use behavior in the Hot Summer and Cold Winter Zone of China, in order to provide more reliable research and ...
Ultra-Low-Energy Buildings set more ambitious energy efficiency standards, using the most-energy-efficient components and systems available to reduce the energy consumption. This energy consumption should preferably be covered by renewable energy sources such as solar energy, ambient and geothermal energy, sustainable biomass etc. It can be cost-effective, …
Focusing on buildings in cold regions in northern China, this paper correlates the solar energy available on wall and roof in the heating season with the heating energy consumption in the ULE mode, and obtains a fast and accurate method to calculate the potential of solar energy utilization for heating. The research results ...
The technical guidelines were developed based on international good …
However, relatively little research has been conducted on the life performance of its primary form: the ultra-low energy building (ULEB). This paper proposes an optimization method combining meta-models to investigate the carbon reduction potential of ultra-low energy buildings in severely cold regions of China.
Focusing on buildings in cold regions in northern China, this paper correlates …
The ultra-low energy building is an effective solution to reduce building energy consumption and CO 2 emission in high-cold and high-altitude areas of China. A new ultra-low energy building in the Qinghai-Tibet Plateau was built, and a solar-air source heat pump system was designed to cover the heating needs in winter. The performance of the ...
This study aims to explore the technical optimization scheme of ultra-low …
Potential of Solar Heating for Ultra-Low-Energy Passive Buildings in Cold Regions Jiwei Li1, Yingchun Cao1,2*, Qi Wang1, Bingling Niu1 1 College of Civil Engineering and Architecture, Hebei University, Baoding 071002, China 2 School of Architecture and Art, Hebei University of Architecture, Zhangjiakou 075000, China Corresponding Author Email: 1014206030@tju .cn
Based on an analysis of actual data obtained from energy consumption …
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