energy performance Articles
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Passive house projects in Belgium
PHP was established in 2002 to introduce the passive house concept in the Flanders Region. Just four years later, demonstration projects and novel technologies are already available for the Benelux market, which swung the local market development by a factor four. Several passive houses are already inhabited. Within the framework of the European project 'Promotion of European Passive Houses', ...
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Analysis of buildings' energy consumption by means of exergy method
Among the objectives of the Directive 2002/91/EC and of the Council "Energy performance of buildings", Energy Performance of Building Directive (EPBD) the energy certification of buildings represents a fundamental role. The method here described starts from the LowEX tool, previously developed in the IEA ECBCS Annex 37 framework. By using the exergy approach, new (non-economic) indices could be ...
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BBVA Group: Sistrol’s Managed Service Brings SkySpark Analytics to a Major Banking Institution - Case Study
We are excited to announce a new SkySpark Case Study. The BBVA Group corporate headquarters in Spain, known as BBVA City, is located in the Las Tablas district of Madrid. It is a complex of 114,000m2, accommodating 8000 employees, in 7 buildings. Sistrol a SkyFoundry VAR in Spain provides the BBVA complex with analytics as a managed service under a program they call “WhyB”. WhyB ...
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Methodology for calculating the energy consumption of air-conditioner in residential Building of China
Increasing energy demand for building has made it imperative that energy conservation is an emergency in China. In this paper, calculation methodology on energy performance of residential building envelopes is studied by the Evaluation of Envelope Thermal Performance (EETP) index, the parameters related to EETP indexes are calculated from the eQUEST software. The formulae about energy performance ...
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UL DQS solutions case study
UL DQS Inc. headquartered in Chicago, IL was formed as a strategic partnership between Underwriters Laboratories (UL) an independent certification and testing company and DQS (Germany’s first certification body) in 2008. Currently, UL DQS have more than 2300 leading industry experts located over 30 states. UL DQS Solutions is a division of UL DQS. They have a portfolio of eTools (including ...
By Enerit Ltd
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Benchmarking weather sensitive plant level manufacturing energy use
Energy intensity of manufacturing varies due to the products produced and the efficiency of production. For some sectors a portion of the energy demand is weather sensitive. This paper applies stochastic frontier regression to auto assembly and pharmaceuticals. The effects of production, utilisation and weather on energy are estimated. The differences in efficiency are captured by a one-sided ...
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Building renovations and the ghost of green premiums
The benefits of higher energy quality buildings such as lower energy bills do not currently translate into higher building values. Reducing energy consumption has a direct positive impact in the form of reduced energy bills, however, when selling the asset, at the moment, there is no evidence that buyers would recognise this value. In-depth research shows that although buildings with A or B ...
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Effect of Low Pressure Generator temperature on the performance of double effect vapour absorption heat transformer
In this paper, the energy and exergy analysis of double–effect lithium bromide/water absorption heat transformer system is presented. All exergy destructed that exist in this system are calculated. In addition to the coefficient of performance and the exergy efficiency of the system, the quantum of exergy destructed of each component of the system is also estimated. The effect of Low Pressure ...
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Energy Performance Contract: What is the Best Tool to Track the Progress of your Roadmap?
The Energy Performance Contract (EPC), is one of the modalities of contracting energy services. In this article, you’ll find out what is the Energy Performance Contract and what tool can help your company to ensure the reduction of energy consumption whatever its sector of activity: industry, service, public administration, transport, etc… What is an Energy Performance Contract or ...
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A real options–based approach in guaranteed energy savings contracting
The full development of the energy services company (ESCO) industry is still inhibited by the difficulties during the negotiation between customers and ESCOs. Contractual arrangements are traditionally based on energy performance contracting (EPC). Improvements on EPC schemes are required in order to achieve the success of the negotiation. This work focuses on a particular type of EPC, named ...
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MedImmune case study
MedImmune, LLC is the global biologics research and development arm of AstraZeneca. The company, based in Gaithersburg, Md., has made it a priority to reduce energy use at its Gaithersburg facility. MedImmune is strongly committed to achieving ISO 50001 and MSE50021 certification via the Superior Energy Performance (SEP) demo program managed by the United States Department of Energy. Enerit ISO ...
By Enerit Ltd
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The informational content of oil and natural gas prices in energy fund performance
This paper explores whether the informational content of oil and gas prices has an impact on energy mutual fund returns. We first re–visit the relationship between oil and gas prices and energy index returns; our findings confirm that better energy index performance is associated with oil and gas price increases. Using the Fama and MacBeth (1973) two–stage regressions, we find that the ...
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Featured Installs, Cattani Project - Case Study
Cattani are an Internationally renowned engineering company based in Thornbury, Victoria. They specialise in suction systems and oil free compressors. Their warehousing facility has a varied amount of energy use that requires a fair amount of electricity. Nu Energy installed a solar system across Cattani’s three separate roof spaces on the same block. Monitoring has also enabled Cattani to ...
By Nu Energy
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Benchmarking as a strategic policy tool for energy management
In this paper, we analyse to what extent benchmarking is a valuable tool in strategic energy policy analysis. First, the theory on benchmarking is concisely presented, e.g., by discussing the benchmark wheel and the benchmark path. Next, some results of surveys among business firms are presented. To offer a more detailed analysis of the scope and potential of benchmarking, results are presented ...
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Dexma Day 2022: Towards Digital Energy Transition
Our annual Dexma Day 2022 event is back! This year, the English online session will take place in the autumn, on the 18th of October. Why attend Dexma Day 2022? This energy event is not only a good opportunity to keep up to date with the latest news from Dexma, both in terms of the company and its products but also to meet with like-minded professionals and…of course, attending Dexma Day ...
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The new ISO 50001 energy management standard will be out soon
The new international ISO 50001 Standard is expected to accelerate the adoption of energy efficiency practices. A new international ISO standard that benchmarks energy management is about to be released. It has been called ISO 50001, and will establish a framework for industrial plants, commercial facilities or entire organizations to manage energy. According to the International ...
By Vital Energi
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Clarke Energy Performs Industrial Training for Kohler Dealer in Papua New Guinea
Clarke Energy’s Global Reach and Local Focus was evident recently when Ty Martin, South Pacific Kohler Technical Support Manager, travelled from Australia to Papua New Guinea to provide specialised training to Kohler dealer ECM in Port Moresby. Clarke Energy’s combined approach of theoretical training followed by practical application means all technicians are trained using the exact ...
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On the energy, exergy and cost optimisation of multi–energy–carrier power systems
This paper introduces the exergy hub approach, a framework that can be used for the optimisation of multi–carrier energy supply systems. Moreover, this paper presents a comparison between the results of the optimal dispatch (which defines how much power should be produced by each generation unit) obtained from an exergetic efficiency optimisation and the optimal dispatch obtained from an ...
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Energy and exergy analyses in a thermal process of a production line for a cement factory and applications
The objective of this study is to determine the actual energy losses by performing energy and exergy analyses and to evaluate energy and exergy efficiency in each process for the cement factory. In these analyses, for each process energy and exergy diagrams have been constituted on the production line. Efficiencies (energy/exergetic) of the processes for the raw mill, the rotary kiln, the trass ...
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Broad Gate DSR - E2 Services - Case Study
Traditionally DSR has been out of reach for all but the largest users, unfairly penalising others. E2 & Northwood’s approach shows that this injustice can be corrected. All involved are benefitting from improved energy performance, whilst playing a part in helping to reduce grid demand and ultimately aiding UK energy supply security Traditionally DSR has been out of reach for all but ...
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