FILE PHOTO: Signage is seen outside the Blackstone Group headquarters in New York City, U.S., January 18, 2023. REUTERS/Jeenah Moon/File Photo Blackstone and Vista Equity Partners have agreed to acquire Australia's Energy Exemplar, a provider of energy market software, for more than $1 billion, according to people familiar with the matter. The deal represents a bet on energy transition, as power utilities, grid operators and renewable energy developers turn to simulation software to fine-tune use of production capacity and maximize efficiencies.