Contact Energy (ASX:CEN, NZE:CEN) said retail mass-market electricity and gas sales increased year on year in May, alongside a rise in wholesale contracted electricity sales, according to Tuesday filings with the Australian and New Zealand bourses.
Mass market electricity and gas sales jumped to 461 gigawatt hours (GWh) in May from 365 GWh last year.
Wholesale electricity sales to customer businesses rose to 341 GWh in the month from 331 GWh in May 2025, and sales to commercial and industrial customers were up to 205 GWh from 142 GWh.
Wholesale contracted electricity sales rose to 1,027 GWh from 768 GWh, while spot electricity sales increased to 919 GWh from 816 GWh.
Total customer connections reached 695,000 in May, compared with 642,000 a year earlier.