The results of a Department of Energy study suggest that two new federal pollution rules would not result in widespread blackouts or compromise the American electricity grid, federal officials announced Thursday.

The energy industry has claimed that the rules would result in a dangerous number of power plants being closed or having to come offline for pollution-control updates. The result, according to an industry report, would be a huge cut in power generation that threatened the reliability of the grid.

The back and forth is the latest round in the battle between the Obama administration and pro-business Republicans in Congress over whether new environmental regulations are “job killers.” Industry officials have warned that a wave of power-plant closures could not only weaken the power grid but also cost thousands of jobs.