This is good not only for consumers but also for suppliers because healthy competition always brings high results.

This is a great project
I also read that the essence of why Zero Carbon Project needs the blockchain is to create Energis utility tokens which capture the utility value that consumers can gain from using our zero carbon market, now and in the future
You can find more here

https://medium.com/zero-carbon-project/why-zero-carbon-project-needs-blockchain-and-why-blockchain-is-transformative-for-business-and-e89d7677eaf4