Shares in the partially privatised Genesis Energy soared 16.8 per cent at their debut listing on the NZX this afternoon, buoying other listed energy companies in the process.
Genesis closed up 26c to $1.81 after listing, giving holders of the 49 per cent that was sold an immediate gain of about $135 million. Heavy public interest in the last chapter of the government's partial privatisation programme briefly crashed the NZX website within half an hour of the listing.
Fellow state-controlled gentailers Meridian Energy and Mighty River Power also advanced after the listing, rising 1.7 per cent to $1.175 and 1.1 per cent to $2.21 respectively. Contact Energy, which was fully privatised in 1999, gained 1.5 per cent to $5.58 while Infratil-controlled TrustPower gained 1.2 per cent to $6.53.
"What it has done is created demand for other electricity generators listed on the market as well," said Grant Williamson, director at Hamilton Hindin Greene. "It's a very nice premium for investors who have got shares."
Williamson expected the share price to take two weeks to settle, as supply and demand for the stock evened out.