how long have you been studying reusable energy for

Question: how long have you been studying reusable energy for
- Keywords:
  energy,
  renewable,
  sustainable
Asked by anon-348169 to Ollie on 13 Mar 2023.
- Ollie Thomas answered on 13 Mar 2023:
  
  I have had an interest in renewable energy since I was at school, but it is only in the last 2 years that I have been studying renewable energy and energy storage exclusively.

Question: how long have you been studying reusable energy for