Energy bills could fall under £2,500 per year in the second half of this year, potentially saving the Government billions of pounds in the cost of support packages for households. Investec has downgraded its predictions for the energy price cap in 2023. It now expects the cap to drop from its current rate of £4,279 per year to £3,317 per year in April, before sliding to £2,478 per year in July before climbing slightly to £2,546 per year in October. The rate of the price cap is also below the threshold of the Energy…