Queensland's energy policy will take centre stage during "one of the most important" addresses Annastacia Palaszczuk will deliver as premier.

The state government has being laying the groundwork for a major policy announcement as ministers seek to focus attention on work in the renewable space.

Announcing plans for the largest publicly-owned wind farm in Australia on Monday, the Queensland premier said Wednesday's speech will outline the state's energy plan.

"It's probably one of the most important State of the State address that I will ever give as premier," Ms Palaszczuk said.

While highlighting residential solar uptake in the state on Tuesday, Deputy Premier Steven Miles hinted on what to expect.

"Tomorrow you will hear much more about our plans for meeting our renewable energy targets and ensuring reliable, cheap, secure energy going forward," he said.

"Queensland is home to many high-energy intensive industries, so we want to provide them with a pathway to clean, green, cheap, secure energy."

The government is remaining tight lipped on whether or not the plan will include a more ambitious renewable energy target, or an early closure of coal-fired power stations.

"When we came to office in 2015, people said we were mad for setting that 50 per cent renewable energy target (by 2030)," Mr Miles said.

"You will see a clear plan for us to meet our targets tomorrow and you'll expect that I'm not going to ruin any of the surprises".

© AAP 2022