Powin Secures $200 Million in Debt Capital From KKR to Bolster Growth and Innovation in Energy StorageContributed by: Business WireImagesPowin's 500MWh energy storage system deployed in California (Photo: Business Wire)TagsTechnologyInsuranceFinanceOther EnergyProfessional ServicesAlternative EnergySoftwareEnergyBatteriesPowin Secures $200 Million in Debt Capital From KKR