AMSTERDAM (Reuters) – The Dutch government said on Friday it will provide a loan of up to 25 billion euros ($27 billion) in the next two years to grid operator TenneT to ensure it can continue investing in the energy transition while the sale of its German arm is delayed. The Dutch and German governments have negotiated for months over the sale, but have failed to reach an agreement so far, the Dutch finance ministry said in a letter to parliament. “There is no certainty we can reach a deal,” the ministry said. “Meanwhile, TenneT needs to keep investing to reduce congestion on the grid.” State…