Re: Just thinking aloud...
Not multi supplier but sort of what you are asking for:
https://www.npowerjobs.com/blog/rwe-npower-gets-set-to-deliver-britains-first-online-energy-shop-blog-53384917506
Not multi supplier but sort of what you are asking for:
https://www.npowerjobs.com/blog/rwe-npower-gets-set-to-deliver-britains-first-online-energy-shop-blog-53384917506