IDSU

The Interdimensional Energy Storage Unit (IDSU) is a storage device for EU added by GregTech, and the most advanced in the game. It has a capacity of 1,000,000,000 EU. It's input is 8,192 EU/p and it outputs packets of 8,192 EU/t. Unlike other EU storage devices, each IESU links to other IESUs, like an Ender Chest, but for EU. This is one of very few methods to transfer EU across dimensions. This also means EU isn't lost when the IESU is broken.