Look out for hidden letters behind the doors, rearrange them to reveal the secret answer, and you could be one of our three champagne winners.
The first three eligible brokers to email the correct answer to TPI@coronaenergy.co.uk will each win a bottle of champagne prize.
Open your advent calendar and look out for the letters hidden behind selected doors. Keep a note of every letter you find.
Rearrange the letters to reveal the secret answer. Use every hidden letter once.
Send your answer to TPI@coronaenergy.co.uk, along with your full name and company name.
Use the subject line “Christmas Advent Competition” so your entry is easy to identify.
All correct entries will be entered into a ballot and the winners will be drawn on the 24th September.