Increasing use of renewable energy to power mobile networks is an important strategic goal for many operators as part of their sustainability commitments, especially in countries with heavy use of diesel generators in off-grid or poor-grid areas. With the rising cost of fuel in 2022, renewables can look increasingly economic in many countries too so we can expect a great deal of effort to make them more easily harnessed for all kinds of sites in the year ahead. Deutsche Telekom and Ericsson have announced an innovative way to retrofit existing sites to use both solar and wind energy generation interchangeably, addressing the challenges of maintaining consistent quality of service despite changing weather conditions. The two companies successfully modified…