Solar Power Is Reshaping Mining Costs in Africa

For many mining projects in Africa, one of the biggest long-term challenges is not production capacity, but rather energy costs. Remote mining locations often rely heavily on diesel generators due to limited access to the power grid and unstable local power infrastructure. While diesel generation can support production, it also results in high fuel consumption, rising operating costs, and constant exposure to volatile fuel prices.

At the Zimbabwe Gold Mine project, Xinhai introduced a large-scale solar power system to optimize the mine's energy structure and reduce long-term operating costs.

(Signing Ceremony of the Photovoltaic Power Cooperation Agreement)

01Large-Scale Solar Power Deployment

The project deployed 17,752 high-efficiency solar panels across the mining site, covering approximately 47,951 square meters. The overall photovoltaic zone exceeds 101,453 square meters.

Each solar panel measures 2382 × 1134 × 30 mm and weighs 28.5 kg, forming a large-scale clean energy system capable of supporting the mine's continuous operation.

(Solar Photovoltaic Power Generation)

Under a 1200 kW operating load, the mine's daily power consumption reaches approximately 28,800 kWh.

Compared to traditional diesel power generation:

• Daily diesel consumption is about 8,409.6 liters.

• The diesel price is calculated at USD 2.02 per liter.

• Daily diesel power generation costs exceed RMB 115,000.

The solar power system employs a tiered electricity pricing mechanism. As the system continues to operate, electricity costs gradually decrease, helping the project achieve more controllable and predictable energy expenses.

Based on project calculations, under the same 1200 kW load condition, photovoltaic power generation costs are only about one-third of those for traditional diesel power generation.

02More Than Just Energy Replacement

For mining operations in remote regions, reducing reliance on diesel is not only about lowering electricity bills; it also means:

• Reducing fuel transportation pressure

• Minimizing the impact of fuel price fluctuations

• Improving operational stability

(PV Module Mounting System)

03Creating a more sustainable long-term operating model

This project demonstrates that solar energy is becoming more than just a “green” option for mines; it is emerging as a practical solution for cost control and operational optimization.

As African mining projects continue to pursue higher efficiency and lower operating costs, integrated solar energy systems are expected to play an increasingly important role in the future of mine development.