Currently piloting. "Our pilot project 1-megawatt battery storage facility, announced in November 2018, is now operational in Knoxville, Iowa. It provides 4-meg

Currently piloting. "Our pilot project 1-megawatt battery storage facility, announced in November 2018, is now operational in Knoxville, Iowa. It provides 4-megawatt-hours of storage capacity, or enough electricity to power nearly 900 average Iowa homes for up to four hours." https://www.midamericanenergy.com/battery-storage https://www.midamericanenergy.com/battery-storage