That sounds like an interesting development! However, without extra information, I can only guess about what this might mean. Generally, when an energy provider makes a deal with a Bitcoin mining company, it usually implies that the energy provider will supply electricity, perhaps even from renewable sources, to power the Bitcoin mining operations.
Bitcoin mining consumes a large amount of electricity to run the specialized computers which solve complex mathematical problems to add transactions to the Bitcoin blockchain, a process known as mining. Deals such as this can provide stability in energy costs and secure a constant energy supply for miners.
But for more detailed analysis or specific context, could you provide more information about the deal?