Three energy companies ae in default of financial obligations under the Balancing and Settlement Code (BSC).
Simply Your Energy and Maxen Power Supply Limited have been told that they cannot register new meters, ie they cannot take on more customers, while Omni Energy has been warned that it will be expelled from the BSC in 28 days.
None of the companies are among five identified by Ofgem as owing money under the Renewables Obligation (see previous story here)