It’s never been done even though the power has always been there.
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In the 225 years since the Constitution of the United States of America became the guiding law of the land, it has been amended 27 times (including the first 10 amendments that make up the Bill of Rights).

Now there is a proposal to bring states together in a way to speed the arduous process of amending the Constitution to force Congress to balance the federal budget. The proposal calls for “compacts,” or agreements, among the states to use their power under the Constitution to demand a Constitutional convention.

It’s never been done even though the power has always been there, and with the federal government nearing $18 trillion of national debt – and facing hundreds of trillions of dollars of unfunded liabilities such as for Medicare that are not counted in the national debt – the timing could be right, says Nick Dranias, an attorney and Director of Policy Development and Constitutional Government at the Goldwater Institute in Arizona.