Turkey spent billions of dollars on energy imports, which comes at a high cost at a time when the local currency is weakening and the economy is more fragile because of the coronavirus.
While Erdogan did not elaborate, a source said his statement was related to Turkey's discovery of energy resources in two separate locations in the Black Sea.
Its operations have led to a dispute with NATO ally Greece over overlapping claims in the Mediterranean.
The lira fell to a fresh record low against the dollar on Friday as investors fretted about the currency's outlook despite supportive central bank moves that raised backdoor borrowing costs.
The Turkish foreign ministry said history would never forgive the UAE's "hypocritical behaviour" in agreeing such a deal, which recasts the order of Middle East politics.
He said that he could not disregard the soulful sights of prostration in the historic mosque of Ayasofya, as a new history has been written today in the grand mosques.
Russia has been accused of sending several thousand mercenaries from private Russian security company Wagner to support Haftar, accusations the Kremlin denies.