Optimizing energy for a 'green' vaccine supply chain

Area of Science:

• Sustainable logistics
• Public health supply chains
• Renewable energy integration

Background:

• Vaccine and temperature-sensitive drug distribution faces challenges in energy efficiency and cost.
• Existing supply chains often lack integration and reliability, impacting service delivery.

Purpose of the Study:

• To pilot and demonstrate the feasibility of a 'net zero energy' (NZE) supply chain for pharmaceuticals.
• To assess the impact of NZE principles on the efficiency, reliability, and cost of vaccine distribution.

Main Methods:

• Integrated storage of vaccines and medicines in shared facilities.
• Optimized, pre-scheduled delivery routes using electric utility vehicles.
• Deployment of solar energy to meet 100% of energy needs for storage, cooling, and transport.

Main Results:

• Achieved over 100% energy consumption through solar power, meeting all operational needs.
• Enhanced supply chain regularity, reliability, and quality of distribution.
• Reduced energy consumption, eliminated recurrent electricity costs, and decreased carbon emissions.

Conclusions:

• The NZE supply chain model significantly improves pharmaceutical distribution quality and reduces costs.
• While initial capital costs are high, future cost reductions in solar and EV technology may enable wider implementation.
• NZE offers a viable strategy to reduce operational costs and enhance public health services, particularly in regions with high energy costs and low population density.