Thermal energy storage (TES) and distributed generation technologies, such as combined heat and power (CHP) or … photovoltaics (PV), can be used to reduce energy costs and decrease CO2 emissions from buildings by shifting energy consumption to … times with less emissions and/or lower energy prices. To determine the feasibility of investing in TES in combination with …

Carbon Emissions Pinch Analysis (CEPA) and Energy Return on Energy Investment (EROI) analysis are combined to … investigate the feasibility of New Zealand reaching and maintaining a renewables electricity target above 90% through to 2050 … maximum of between 70 and 75TWh by 2050. If NZ is carbon emissions constrained to 1990 levels, to minimise energy expended …

The increase of renewables in power sector, together with the increase of their electricity share in final energy … consumption, is changing our perception about energy security with diverse and contradictory statements. The Portuguese security … of renewables, taking a supply chain approach. Our analysis highlights that the penetration of renewables has decreased …

uncertain decisions of competitors and thus uncertain prices. At the same time, promoting renewable energy has been a key … ingredient in energy policy seeking to de-carbonize the energy mix. Public incentives for companies to invest in renewable …

comparing the life cycle energy demand and greenhouse gas emissions associated with a stationary wireless charging all … charging hardware was conducted, and battery downsizing, vehicle lightweighting and use-phase energy consumption were modeled …–16% in bus weight for the wireless buses can induce a reduction of 5.4–7.0% in battery-to-wheel energy consumption. In the …

Energy storage technologies can provide services to the electricity grid that are necessary for its usability …, stability, and reliability. The services, such as power factor correction and renewable energy arbitrage, are defined by … hydro and batteries, are defined by their usable energy, power, efficiency, operating range, availability, lifetime, and …

, which affect the Specific Energy Requirement (SER), and in consequence the cost of mechanical size reduction processes …

to address the energy balances occurring in different parts of the system, e.g., glazing cover, PV cells, fin sheet, loop …/T) of such a system. Moreover, a simple comparison between the PV/LHP heat-pump system and conventional solar/air energy … performance PV/T technology that can contribute to significant fossil fuel energy saving and carbon emission. …

The energetic use of residues from agriculture can foster the transition towards a more renewable energy supply …. However, sustainability issues have to be considered along the entire provision chain as they affect the resource and energy … in Germany. It is not yet used for energy purposes extensively and compared to other agricultural feedstock it shows low …