
Achieving energy efficiency particularly in Iraq is very critical due to continuous energy crisis since the 1990s. One of the major cities, Basra City faced this crisis since 2003 with energy generation declining by 26.4%. . According to World Watch Institute Estimations, buildings are responsible for 40% of t. . The term ‘energy efficiency’ specifically referring to heating and cooling in buildings is directly related to two factors during the design stage. First, building envelope and second building. . This study compared the performance of energy consumption between conventional system and the proposed IBS system in the same house model in the city of Basra, Iraq. Since it is di. . 4.1. Conventional systemFig. 9 shows the findings of the heating energy for each air-conditioned zone. The figure indicates that energy needed for heating cannot b. . The paper presents an evaluation study of the energy efficiency approach in several construction systems. The study targeted two structural systems, namely, the conventional buil. . 1.A.A. Abod, D.A.M. Hussain, D.A.M. A-KhafajiBuilding performance a study for evaluate prefabricated resi. [pdf]

The Democratic Republic of Congo (DRC) is in the center of sub-Saharan Africa. DRC is bordering the Central African Republic to the north, the Republic of Congo to the north-west & South Sudan to the north-e. . Overview of the Country's Energy SourcesThe DRC's potential to generate energy is high, having a wide range of both renewable and non-renewable energy sources. The DR. . General IndicatorsAs mentioned earlier, the country possesses a significant potential for renewable power generation, which is illustrated further. . More than 90% of the population rely on biomass (charcoal, firewood) for cooking. In Kinshasa and Kisangani alone 4.9 million m3 of firewood was traded whic exceeds the official volum. . OilThere are proven oil reserves in the country's western coastal basin, in addition to other unexplored two basins. The DRC ranked as the 2n. [pdf]
The DR Congo has faced a severe energy crisis despite major energy potential. In 2014, it liberalized its energy sector. The paper examines the Inga 3 dam project, which is confronted with political, geostrategic, and financial challenges.
In 2014, the DR Congo reformed the energy sector's legislation with the World Bank's assistance. The energy sector's liberalization aimed to provide affordable and reliable energy to all consumers. 3.1. Key priorities in terms of energy security On June 17, 2014, the electricity law n° 14/011 was promulgated [ 15 ].
The national hydroelectric potential is estimated at about 100,000 MW, corresponding to 13% of the global potential or 66% of Central Africa's potential. In 2014, the country's energy supply represented only 2% of the hydroelectric potential. Consequently, the DR Congo has been exposed to a chronic energy deficit. 2.1.
The energy sector in the DR Congo under the pressure of green technology development In 2016, the energy deficit in the copper-cobalt belt of the ex-Katanga was estimated at 900 MW. In addition to the electricity gap, an insufficient reliable transport system has affected the development of industrial mining projects.
Introduction The DR Congo's hydropower resources are estimated at about 100,000 MW, of which 44,000 MW are concentrated at the Inga site (Kongo Central province). The Grand Inga project has regional and continental dimensions. It is one of the key priorities of the African Union (AU) agenda 2063.
The electricity sector in crisis in the DR Congo The national hydroelectric potential is estimated at about 100,000 MW, corresponding to 13% of the global potential or 66% of Central Africa's potential. In 2014, the country's energy supply represented only 2% of the hydroelectric potential.

Falling prices for battery storage systems, public subsidies and increased motivation on the part of private or commercial investors led to a strong increase in sales of photovoltaic battery storage systems in Aust. . Of the total of 875 local and district heating networks surveyed, heat accumulators have been installed as an element of f. . Heat and cold can be stored in buildings and sections of buildings. If buildings have a large mass and good thermal insulation, this results in thermal inertia that can be used for load shifting. Plastic hoses through which a heat tran. . The examination covered hydrogen storage & power-to-gas, innovative stationary electrical storage systems, latent heat-accumulators and thermochemical storage. A total of 36 Austrian companies and research instituti. [pdf]
A study 1 carried out by the University of Applied Sciences Technikum Wien, AEE INTEC, BEST and ENFOS presents the market development of energy storage technologies in Austria for the first time.
The total inventory of photovoltaic battery storage systems in Austria therefore rose to 11,908 storage systems with a cumulative usable storage capacity of approx. 121 MWh. For 2020, a price of around € 914 per kWh of usable storage capacity excl. VAT was charged for PV storage systems installed as turnkey solutions.
Efficient and reliable energy storage systems are central building blocks for an integrated energy system based 100% on renewable energy sources.
In 2020, Austria had a hystorically grown inventory of hydraulic storage power plants with a gross maximum capacity of 8.8 GW and gross electricity generation of 14.7 TWh. This storage capacity has already played a central role in the past in optimising power plant deployment and grid regulation.
A total of 840 tank water storage systems in primary and secondary networks with a total storage volume of 191,150 m³ were surveyed in Austria. The five largest individual tank water storage systems have volumes of 50,000 m³ (Theiss), 34,500 m³ (Linz), 30,000 m³ (Salzburg), 20,000 m³ (Timelkam) and twice 5,500 m³ (Vienna).
Innovative storage technologies and new fields of application for the use of energy storage systems are being researched and demonstrated in practical operations as part of national and international research and development activities.
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