I cannot access personal account details, but there could be several reasons why the $300 payment hasn't been added to your account. It could be due to a processing delay, where payments sometimes take a little longer to reflect. ** Removed Link **
As a 75-year-old pensioner, you've been receiving the pensioner concession for years, but it has not appeared on your gas and electricity bills for the past 9 months, resulting in high bills.