Spark Energy Completes Migration to VertexOne, Unifying All Markets and Brands on VXretail and VXexchangeAll of Spark Energy's roughly 445,000 RCEs now run on a single integrated platform, adding to VertexOne's track record as a proven migration partner for retail energy suppliersPR Newswire Business Technology ยท 2026-11-03T15:00:00.000Z