Optimization of All-Renewable Generation Mix According to Different Demand Response Scenarios to Cover All the Electricity Demand Forecast by 2040: The Case of the Grand Canary Island

Abstract

The decarbonization of the electric generation system is fundamental to reaching the desired scenario of zero greenhouse gas emissions. For this purpose, this study describes the combined utilization of renewable sources (PV and wind), which are mature and cost-effective renewable technologies. Storage technologies are also considered (pumping storage and mega-batteries) to manage the variability in the generation inherent to renewable sources. This work also analyzes the combined use of renewable energies with storage systems for a total electrification scenario of Grand Canary Island (Spain). After analyzing the natural site’s resource constraints and focusing on having a techno-economically feasible, zero-emission, and low-waste renewable generation mix, six scenarios for 2040 are considered combining demand response and business as usual. The most optimal solution is the scenario with the maximum demand response, consisting of 3700 MW of PV, around 700 MW of off-shore wind system, 607 MW of pump storage, and 2300 MW of EV batteries capacity. The initial investment would be EUR 8065 million, and the LCOE close to EUR 0.11/kWh, making the total NPC EUR 13,655 million. The payback is 12.4 years, and the internal rate of return is 6.39%.

Advanced Electric Battery Power Storage for Motors through the Use of Differential Gears and High Torque for Recirculating Power Generation

“…According to a review of the working model for the generation of renewable electric power to occur in the system [60,61], as shown in Figure 3, it was possible to design a BLDC motor with a size of 7.5 kw/h with 72 volts to create a maximum speed of 6500 RPM and 100 Nm to drive an alternator at a speed of 3000 RPM for two sets of 15 kw/h threephase 400 volts and increase the rate of rotation to be adequate to support the torque according to specification. The voltage of the alternator must be higher than the voltage of the BLDC motor [62].…”

Determents of sustainable charcoal production in AWI zone; the case of Fagita Lekoma district, Ethiopia

“…Charcoal is a cheap source of energy for households, demand for charcoal is expected to double by 2030, with over 700 million Africans ( Raza et al, 2022 ). Demand for charcoal is projected to increase in Sub-Saharan Africa (SSA) due to rapid population growth, thus availability of woody biomass is declining due to rapid deforestation ( Vargas-salgado et al, 2022 ). The majority of the urban populations, those who request charcoal fuel on a daily basis, don't have any understanding of how charcoal adversely affects the environment.…”

CHP-Based Economic Emission Dispatch of Microgrid Using Harris Hawks Optimization

“…The EED problem in a wind power integrated system was analyzed to estimate the impact of carbon trading prices on the reduction in carbon emission and enhancing the efficiency of power generation efficiency improvements [25]. To achieve the desired scenario of zero greenhouse gas emissions, the techno-economic feasibility analysis was carried out under different scenarios of the combined usage of renewable-based DG and storage systems [26]. The scheduling problem of MG having DG and wind units under their respective limits was performed using the manta ray foraging algorithm (MRFO).…”