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UTe₂ has attracted significant attention in the last two years due to the discovery of potential chiral spin-triplet superconductivity evidenced by the unusually high critical fields and the small temperature variation of the NMR Knight shift. Even more intriguing a high field induced superconducting state was proposed to exist in UTe₂ for field orientations between H||b and H||c emerging under ambient pressure between 40 to 60T. Here we present magnetocaloric measurements in pulsed magnetic fields up to 55T on new high quality UTe₂ single crystals and show thermodynamic evidence of the high and low field superconducting phases in UTe₂ as well as the field polarized state. The magnetocaloric measurements are supported by proximity detector oscillator (PDO) measurement which are sensitive to changes in the skin depth (electrical resistivity) and magnetic susceptibility – revealing a phase diagram in agreement with previous studies. The results are discussed with respect to vortex physics within the superconducting phases of UTe₂.