Shunned Mid West power proponent Aviva Corporation has fired a warning shot at state energy retailer Synergy following the retailer's decision to award lucrative power supply contracts to state-owned generator Verve Energy.

Shunned Mid West power proponent Aviva Corporation has fired a warning shot at state energy retailer Synergy following the retailer's decision to award lucrative power supply contracts to state-owned generator Verve Energy.