Nigerian authorities will seek credit from the US Export–Import Bank to fund a solar power project being developed by Sun Africa LLC, a renewable energy provider, according to the company.

The unit of Urban Green Technologies LLC is developing solar power facilities for Nigeria’s Niger Delta Power Holding Co. The projects, which have passed through feasibility studies, technical analysis and land-permitting phases in the past two years, are due for loan processing with the export credit agency, Adam Cortese, chief executive officer at the US-based Sun Africa said in an email.

Nigerian finance ministry is expected within the next 60...