A Sky News/ReachTEL poll shows the Coalition trails Labor 49 points to 51 on a two-party-preferred basis.
The Liberal Party's primary vote sits at 30 per cent while Labor's has stayed consistent at 34 per cent, with the Greens polling at eight per cent while One Nation on 11 per cent support.
The two-party-preferred result is within the margin of error, with the last Sky News/ReachTEL recording a 52-48 split in Labor's favour.
Malcolm Turnbull is ahead of Bill Shorten in the preferred prime minister stakes, leading his rival 54.5% compared with the Labor leader's 45.5%.
Renewable energy continues to enjoy widespread public support, with 75 per cent of respondents urging the government to support clean energy over coal.
A majority of Liberal voters also endorsed renewable energy.
