Paper | Hindrances | Recommendation |
Adewuyi et al. [20] | Poor tariff system. Outdated metering. Political dynamics. High capital cost. | Rehabilitation of existing infrastructure. Investment in research and development. Decentralisation of the electricity market. |
Oyedepo [5] | Sales of electricity to incompetent private investors. Remote and rural areas are not attractive to private investors. | Full exploitation and promotion of renewable energy resources. Energy efficiency practices and energy conservation measures. |
Ajayi and Ajayi [10] | Weak government motivation. Lack of economic incentives. Multiple taxation. High customs and excise duty. Unfavourable land use act. | Provision of tax holidays and harmonisation of tax payments. Obligation of utility company to purchase RE electricity. Legal framework to connect RE to the national grid. |
Ojo [31] | Overlapping regulatory roles. Finance and investment. Technology development. Limited public awareness. Poor quality control measure. | Viable legal and regulatory framework. Attraction of Foreign Direct Investment. Public Private Partnership. Feed-in tariffs. Financial incentives. |
Osunmuyiwa et al. [26] | Rigid, complex, and centralised electricity system. Double subsidies on petroleum and electricity. | Cost-effective electricity tariffs. Private sector participation. |
Shaaban and Petinrin [32] | Renewable Obligation. Feed-in-Tariffs. Energy efficiency. | Decentralised electricity generation from solar PV. Joint participation of private sector and consumer. |
Bamisile et al. [11] | Politics and Poor Governance. Non-implementation of solar PV policies. Lack of private investors. Energy literacy of people. | VAT reduction on solar equipment. Feed-in-tariffs Capital grants, subsidies, or rebates. Biofuel obligations. |
Okoye et al. [14] | Lack of solar radiation measuring device. |
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Oghogho et al. [12] | Long energy pay-back time. Ignorance of the benefits of technology. Requirement of a large expanse of land. Low efficiency of PV panels. Lack of policies and legislation. | The political will to formulate policies geared to promote the application of solar PV. Commitment to investment in solar PV project. Local capacity development through the manufacturing of solar components. |
Oji et al. [9] | Financial constraints. Technological incapability. | Subsidies on the importation of solar equipment. Restriction on importation of diesel and petrol generators. |
Abdullahi et al. [7] | Inadequate solar initiative research. Lack of technological know-how Short-term policies Political instability. | Sensitisation and awareness initiatives. Introduction of courses on handling solar equipment in higher institutions. A special fund to subsidise the production of solar equipment. |