ARAMCO, one of the world’s leading energy companies, undertook a large-scale HVAC assessment across its Juaymah and Ras Tanura refineries in Saudi Arabia. FREE energy, in collaboration with its local partner Zamil O&M (ZOMCO), contributed to the project by evaluating the performance of all HVAC units serving offices, electrical rooms, petrol rooms, and other critical spaces within the facilities.

The assessment combined on-site inspections with detailed monitoring using data loggers to measure unit performance and consumption patterns. Results were tabulated to establish a baseline for comparison, providing a clear picture of system efficiency. Findings showed that the vast majority of HVAC units were operating inefficiently, with close to 90% requiring replacement.

In addition to identifying inefficiencies, the study provided ARAMCO with a technical assessment report and a roadmap for phased replacement, supporting future investments in higher-efficiency systems. Beyond energy savings, the project contributes to operational resilience, improved safety conditions, and enhanced indoor comfort across critical refinery environments.

Key Figures – Juaymah site only

• Project status: Completed (2023)
• Units requiring replacement: 83%
• Estimated energy savings: 2,842,308,128 kWh/year
• Estimated CO₂ savings: 3,404.7 kg CO₂ per minute

Located in the Kingdom of Saudi Arabia, the NESMA PMV facility undertook a major renewable energy initiative in partnership with FREE energy to reduce its dependence on diesel generators and cut operational energy costs. The project involved the design and installation of a large-scale on-grid photovoltaic system, fully integrated into the facility’s existing electrical infrastructure to provide a consistent and reliable supply of clean energy.

The system, with a total installed capacity of 1.65 MWp, was implemented without battery storage, focusing instead on maximizing direct generation to offset the facility’s electricity consumption during peak demand hours. This approach not only optimizes cost savings but also minimizes maintenance requirements.

In addition to the PV installation, complementary electrical works were carried out to ensure safe interconnection and compliance with applicable grid standards. The project directly supports NESMA PMV’s sustainability objectives while contributing to national renewable energy targets. By lowering fuel usage and greenhouse gas emissions, it also improves the facility’s environmental performance and operational efficiency.

Key Figures

• System type: On-grid
• Total installed capacity: 1,649.64 kWp
• Yearly energy production: 2,682,508 kWh/year
• CO₂ savings: ~7,258 tonnes/year

Battery storage: None

Prince Mohammad University (PMU), located in the Kingdom of Saudi Arabia, implemented a large-scale on-grid solar photovoltaic system as part of its sustainability objectives. FREE energy contributed to the project alongside its local partner, Zamil O&M (ZOMCO), providing technical expertise to help the university reduce reliance on diesel generators, lower energy costs, and decrease its carbon footprint in line with national renewable energy targets.

The installation, with a capacity of 968 kWp, was deployed across suitable rooftop areas and fully integrated into the university’s electrical network to ensure reliable and efficient performance. The system was designed without battery storage, focusing on delivering continuous clean energy directly to the campus load.

Beyond reducing fuel consumption and emissions, the project enhances PMU’s operational resilience by diversifying its energy sources and ensuring more predictable long-term energy costs.

Key Figures

• System type: On-grid
• Total installed capacity: 968 kWp
• Yearly energy production: 588,839 kWh/year
• CO₂ savings: ~231 tonnes/year
• Battery storage: None

Grid-tied Solar Systems for SEC transmission stations

Grid-tied Solar System for Steel Production Rooftop

Energy audit conducted on the Zamil Shipyards in Dammam, KSA

Energy audit conducted on the Royal Commission for Jubail & Younbouh in Riyadh, KSA