Elisa Estonia to Implement AI and Lithium Batteries to Enhance Network Energy Efficiency

In a significant move towards sustainability, Elisa Estonia is set to equip approximately 100 mobile network base stations with new lithium batteries and introduce an AI-based energy platform. This solution allows for the disconnection of base stations from the electrical grid during peak energy consumption periods, utilizing the stored clean energy in the batteries.

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Consequently, this advancement improves network performance, efficiency, and overall sustainability, according to Elisa.

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Sustainable Network Solutions

Elisa Estonia emphasized the company’s goal of equipping all mobile masts with 100 percent local renewable energy solutions within the next decade while reducing their ecological footprint.

“To date, Elisa has already installed solar power plants alongside 13 base stations. The adoption of lithium batteries and the AI platform represents the next step in fulfilling our long-term strategic objective by reducing energy consumption during peak hours through smart utilization of stored electricity,” stated Elisa Estonia in an official release.

“Until Elisa’s renewable energy solutions are fully deployed, the company will continue to rely on green energy from sources such as wind, water, solar, nuclear, biogas, or biomass for our base stations.”

AI-Driven Energy Management

Depending on the specific location requirements, battery units with a capacity of 5-20 kWh will be installed alongside the base stations. Their operations will be managed by an AI-based system. This future-proof solution allows for the addition or removal of battery modules to meet changing demands and conditions. Lithium batteries are expected to have a lifespan of at least 10 years, compared to current lead-acid batteries which last up to 5 years.

Lithium Batteries for Longevity

Elisa Estonia highlighted the importance of leveraging lithium batteries, which are already familiar in the electric vehicle industry, as a significant step toward adopting green energy solutions. The intelligent system autonomously charges the batteries during periods of favourable electricity prices, and in the future, solar parks installed near the base stations will also be utilized for this purpose. The charging time of the batteries varies based on their size, taking up to four hours while optimizing the charging rate to preserve battery lifespan.