Graymont Energy has completed and commissioned a 400-kilowatt solar photovoltaic system for a manufacturing facility in the Greater Accra Region, marking one of the largest single installations in the group's portfolio to date. The system, which includes a ground-mounted array and a battery storage component, entered commercial operation after a commissioning period that included load testing, performance verification, and integration with the facility's existing backup generator infrastructure.
The 400kW capacity was determined through a detailed energy audit and load profile analysis that Graymont Energy conducted over eight weeks prior to design finalisation. Manufacturing facilities present a more demanding solar sizing challenge than office or retail buildings because their load profiles are uneven, with significant variation between production and non-production hours, and because the cost of a power interruption to an active production line is disproportionately high. The system was sized and configured to cover the facility's core operational load during peak production hours with adequate buffer.
Following commissioning, the facility's real-time energy monitoring data shows solar generation covering approximately 62% of total electricity consumption across a standard operating week. The residual grid draw is concentrated in early morning periods before peak solar output, and the battery storage component provides coverage for brief cloud-induced generation dips that might otherwise cause voltage fluctuations in sensitive equipment.
The financial impact is already visible in the client's monthly electricity accounts. The facility was previously absorbing approximately GHS 85,000 per month in grid electricity and diesel costs combined. Post-commissioning data from the first billing cycle shows that figure reduced to under GHS 32,000, a reduction consistent with the pre-project modelling. At that run rate, the capital cost of the installation is on track for a payback period of under four years.
Beyond the immediate financial outcome, the project carries meaningful operational and reputational value for the client. The facility now operates with materially reduced exposure to grid disruption events, which had been a recurring source of unplanned production losses. The reduction in diesel consumption also improves the facility's environmental profile, which carries weight for clients whose own corporate customers have begun asking suppliers for documentation of energy and emissions practice.
The project adds to a growing body of completed commercial solar installations in Graymont Energy's portfolio across the manufacturing, hospitality, and real estate sectors. Each project informs subsequent engineering decisions, and the group's accumulated dataset from active installations across Greater Accra and beyond provides a basis for increasingly precise energy modelling that benefits clients during the audit and design phase.
Graymont Energy's commercial pipeline through Q1 2026 and into Q2 includes several other installations at comparable or larger scale, including the 600kW Tema Industrial Park installation that the firm commissioned in May. The 400kW Accra deployment is, on the firm's current trajectory, no longer the largest installation in the active portfolio.