[3] It is the water utility provider for about 246,000 customers and the electricity provider for over 23,000 customers in Big Bear Lake and California under the name Bear Valley Electric.

[4] It operates its business through three segments including water, electric and contracted service.

[5] On January 17, 2013, one of the company's subsidiaries, ASUS, implemented Deltek Contract Lifecycle Management (CLM), which deals with contract data, as a contract management system to help grow the business and maintain government compliance.

[7] In June 2013, GSWC entered into an agreement to purchase all of the operating assets of Rural Water Company, which used to serve approximately 1,000 customers in the county of San Luis Obispo, California,[1] In the winter of 2014, the company continued to provide water service to the customer despite the California drought.

[3] Golden State Water operates systems based in:[8][9][10]