BEIS Business Energy and Industrial Strategy

BELLA Bilateral Embedded Licence Exemptible Large Power Station Agreement

BER Building Energy Rating

BETTA British Electricity Trading Arrangements

BiPV Building-integrated Photovoltaics

BM Balancing Mechanism

BMU Balancing Mechanism Unit

BRL Balancing Reserve Limit

BS Balancing and Settlement

BSAD Balancing Services Adjustment Data

BSC Balancing and Settlement Code

BSCP Balancing and Settlement Code Procedure

BSUoS Balancing Settlement Use of System

BTU British Thermal Unit