What is "savacentre"

SavaCentre was a chain of 13 hypermarkets and later a further seven discount supermarkets operated by Sainsbury's and BHS, beginning in 1977. Sainsbury's later operated the stores alone beginning 1989, renaming them Sainsbury’s SavaCentre, to 2005 when the stores were integrated into the Sainsbury's supermarket brand. The hypermarket stores ranged in size from to and the discount supermarkets ranged in size from to . At the time of its inception, it was the only dedicated hypermarket chain in the UK.