Enhancement of the REMix energy system model : global renewable energy potentials, optimized power plant siting and scenario validation

摘要: As electricity generation based on volatile renewable resources is subject to fluctuations, data with high temporal and spatial resolution their availability indispensable for integrating large shares of capacities into energy infrastructures. The scope the present doctoral thesis enhance existing modelling environment REMix in terms of (i.) extending geographic coverage potential assessment tool REMix-EnDaT from a European global scale, (ii.) adding new plant siting optimization module REMix-PlaSMo, capable assessing effects power plants portfolio output and (iii.) alternating current transmission model between 30 countries CSP imports located North Africa Middle East via voltage direct links REMix-OptiMo. With respect tool, thorough investigation carried out creating an hourly inventory theoretical potentials major solar irradiance, wind speed river discharge at 0.45°x0.45°. A detailed land use analysis determines eligible sites installation plants. Detailed models PV, CSP, hydro allow output, cost per kWh respective full load hours taking account potentials, technological as well economic data. The so-obtined can be used follows: First, arbitrary locations, or world regions, deriving either site-specific aggregated installable capacities, hour potentials. Second, providing input such further assessments using modules REMix-PlasMo OptiMo. The REMix-PlaSMo yields results where technologies photovoltaics are within country order gain distinct output. Three different modes implemented: (a.) Optimized obtain cheapest cost, (b.) minimization photovoltaic variance and (c.) residual variance. The third fundamental addition amendment REMix-OptiMo DC flow approximation. Moreover, originating concentrating now feasible. All capabilities extensions employed three case studies: In study 1, REMix-EnDaT, 10 OECD power. According latter, will represent technology 2050, average 1634 could lead some 5500 PWh. Although also taps restrictions suitable erecting more severe. For that reason, maximum amounts 1500 However, thermal storage used, which, according this assessment, 5400 operation. Onshore tap 717 PWh by 2050 2200 while offshore, achieve total 224 3000 hours. The exceeds 3 PWh, 4600 operation reached average. In 2, Morocco determine limits portfolios approaching supply strategically sited specific locations take advantage available conditions. It shown optimal share without considering grid one third. consisting stabilized about €ct/kWh year 2050. In 3, REMix-OptiMo, validation TRANS-CSP scenario upon out. conducted basis least approach, thereby investigating if how demand met during each investigated year. It shown, assumed safely all scenario's portfolio. Furthermore, it was proven dispatchable generation, particular Europe, have system stabilizing effect. Using suggested concept, utilization transfer would decrease until 2050.