Spark Energy, Inc. 8.75% Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Stock, also called Spark Energy (Preferred), is an independent retail energy services company. Read More It operates through the following segments: Retail Natural Gas and Retail Electricity. The Retail Natural Gas segment purchases natural gas through physical and financial transactions with market counterparts. The Retail Electricity segment obtains electricity through independent system operators and supply to residential and commercial consumers. The company was founded in 1999 and is headquartered in Houston, TX. The listed name for SPKEP is Spark Energy, Inc. 8.75% Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Stock.