West Perth-based energy company Wasabi Energy Ltd has taken a 20 per cent stake in Melbourne-based evaporative water loss-prevention company Aqua Guardian Group Ltd for $500,000, ahead of its planned listing on the Australian Securities Exchange.

West Perth-based energy company Wasabi Energy Ltd has taken a 20 per cent stake in Melbourne-based evaporative water loss-prevention company Aqua Guardian Group Ltd for $500,000, ahead of its planned listing on the Australian Securities Exchange.