It happened in the Somercotes area.
An industrial premises caught fire during the early hours of this morning in Alfreton.
Crews dealt with the blaze on Birchwood Way in Somercotes just after 1.30am.
It involved an electrical sub station unit.
0136 hours #Firefighters from #Alfreton_White & @nottsfire's #Ashfield used 1 arbon monoxide extinguisher, 1 foam main line and 2 breathing apparatus to extinguish a fire involving an electrical sub station unit at an industrial premises on Birchwood Way, Somercotes. 🚒🔥— Derbyshire Fire & Rescue Service (@DerbyshireFRS) March 12, 2019