Context

Comansa, a leading manufacturer of tower cranes, sought to enhance its competitiveness by reducing its dependence on the electrical grid and stabilizing its energy costs. Following the success of its first energy storage installation with BeePlanet in 2020, the company has undertaken three expansion phases to continue optimizing its self-consumption and strengthening its energy independence.

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Challenge: Stabilize Energy Costs and Maximize Self-Consumption

The metal manufacturing sector has high energy consumption, especially in energy-intensive processes such as machining, welding, and painting. In 2020, Comansa invested in a 773 kWp photovoltaic installation capable of covering 100% of the plant's maximum power. However, the variability of solar generation made it difficult to fully utilize the generated energy.

Key Objectives of the Expansion:

📌Store excess solar energy and increase self-consumption.

📌 Reduce contracted power, optimizing fixed costs and covering peak power demands at certain times.

📌 Ensure energy stability against the volatility of the electricity market.

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Solution: Modular Storage and Advanced Energy Management

With the integration of 392 kWp of new photovoltaic capacity and the progressive expansion of BeePlanet's storage systems, Comansa has achieved:

• Over 94% of its energy consumption covered by renewable energy, minimizing its dependence on the grid.
• 40% reduction in contracted power, optimizing fixed costs.
• Estimated annual savings of over €70,000, boosting its competitiveness.
• Optimized management of peak demand, ensuring a stable supply at all times.

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