The present crisis of electricity supply in Nigeria is adversely affecting its economy. The population is growing and life is getting more difficult for the citizens. Nigeria is rich in renewable energy sources, such as solar, biomass, thermal, wind, geothermal, tidal, hydro, biogas, wave, and ocean energy. However, less than 25% of the renewable energy potentials have been utilized. A critical investment in a renewable energy sector will not only solve electricity related problems but also help to achieve social-economy development in the country. In addition, renewable energy projects will help to provide jobs for the youth and create new investment opportunities for the people.

The ever-increasing population and growing demand for electricity in Nigeria has put great pressure on the existing conventional generations and there is urgent need for other alternative energy resources. Localised energy systems which have been prevalent in the UK and Europe remain the most viable solution to tackle the pressing challenges of lack of reliable, environmentally friendly and sustainable electricity supply in Nigeria. However, the implementation of localised energy system might face some challenges and barriers that could hamper the development. In this paper, these challenges were analysed and possible solutions were suggested, in order to facilitate the growth of localised energy systems in Nigeria. Aside solving electricity related problems integration of localised energy systems will also help to provide jobs for the youth and create new investment opportunities for the people.

Recently, the demand for electric power supply has tremendously increased and the Nigerian government is unable to meet this demand, with conventional energy generation, due to myriads of issues in the electricity sector. A 2 MW grid-integrated solar photovoltaic system design is carried out in this work using Idofian, Kwara State, Nigeria, as a case study. The feasibility study for the Solar PV system along with the load estimation for the study area were done using RETScreen software. The simulation results revealed that the design is feasible for Idofian township, with an annual energy yield of roughly 2,853 MWh, of about 17% of Idofian's annual (daily) electricity consumption. Solar PV electricity generation saves around 1,182.7 tonnes of CO2. The plan, if adopted, will go a long way toward alleviating Nigeria's electricity shortage.