Electricity system optimisation based on python model for renewable electricity generation portfolio

• The author develops a Python electricity system model WIBSS; three relevant scenarios and two strategies are developed for the Irish electrical system 2030 & 2040, and the generation portfolios target is determined. • The scenarios for the Irish electricity system are shown in terms of investment cost, LCOE, and energy security, the best LCOE for 2030 and 2040 are 51.11 €/mWh and 60.60 €/mWh respectively. • To achieve the Irish renewable energy target, more integration of storages and interconnectors capacities are needed compared to the reference scenario. • The results suggests that substantial solar PV rollout supported by battery storage can be a priority for the lowest cost renewable energy. 100% renewable electricity scenarios have received great attention from industry and policy makers, this is due to its widespread need for technical, economical, and renewable integration action plans. In this research, a python model named WIBSS, is developed and tested for adequacy using sensitivity analysis and then used to simulate the Irish electricity system. In this investigation, the optimal cost was identified with the installed capacities needed for the electricity system for high electricity demand scenario, and the generation portfolios for the electricity system in Ireland is proposed. The electricity system parameters are determined and the levelised cost of electricity is optimised and tabulated. In this investigation, the optimal solution is identified to decrease curtailment and minimize the total cost. Overlay graphs are plotted, and the optimal renewable sources combinations are presented. This research of determining generation portfolios toward 100% renewable electricity systems demonstrates simulations of two different pathways for 2030 scenarios to meet electricity demand in Republic of Ireland. The renewable energy target appeared in the government climate action plan and the authors renewable energy target determined based on the simulation of the python model, with more than doubled photovoltaic installation, a significant reduction in offshore wind, and a substantial integration of battery capacity, the authors renewable energy target performs better than renewable energy target, the levelised cost of electricity were 57.22 €/mWh and 51.11 €/mWh respectively. The least cost pathway is extended to balance between electricity generation and electricity demand in 2040 scenario, and keys target were proposed for generation portfolios.