DURHAM, North Carolina - April 20, 2018. Today FlexGen, the leading supplier of energy storage technology and integration, announced the sale of a FlexGen Energy Storage System (ESS) to Energotechservice, a Russian power plant developer. The project integrates an approximately 8MW power plant comprised of four (4) reciprocating natural generator sets with a 1MW/380kWh FlexGen ESS to deliver clean, reliable power for oilfield exploration and production activities in Russia. The end user of the hybrid power plant is one of Russia's largest oilfield operators. FlexGenŽ, backed by Altira Group, General Electric, & Caterpillar, develops innovative power equipment for oil & gas, grid and industrial operations. FlexGenŽ products integrate sophisticated software, advanced energy storage, and power conversion technologies to improve cost, reliability, quality, safety, and sustainability of electrical power systems. The FlexGenŽ team includes industry veterans from oil & gas, marine, and construction who lead customer engagements, product commissioning, and field support. Through our network of dealer partners, FlexGenŽ delivers services and products globally. For more information, visit www.flexgen.com.