John Walsh: Why battery technology could be a game-changer for Ireland’s energy needs

The invasion of Ukraine by Russia underlines the volatility of the international energy market, and how we urgently need to act to solve our energy security problems

Elon Musk is investing in very exciting technologies. A Tesla subsidiary is building a more than 100 megawatt energy storage project in Texas, a battery that could power about 20,000 homes. Picture: William K Clark/Shutterstock