The Turnbull government and regulators must release the modelling underpinning the National Energy Guarantee to reassure the public that projected savings are real, Federal Labor and leading analysts said.

The call comes as discrepancies appear both with the policy's own figures - handed to state and territory governments this week by the Energy Security Board - and with those of one of the board's key members.

What are the underlying assumptions that have gone into the National Energy Guarantee's forecasts? Credit:

Labor-led state and territory governments are planning to caucus a range of demands on the energy plan for the federal government in coming days.

Seeking some form of external peer-review of the board's modelling for its full final design paper has been raised with at least one state government, Fairfax Media understands.