Fluence Energy

Fluence Energy is a US-based energy storage and digital software provider, formed in 2018 as a joint venture between Siemens and AES to accelerate grid-scale clean energy adoption. The company addresses the challenge utilities and large energy buyers face in integrating variable renewable generation while keeping the grid stable and dispatchable.

Its core offering pairs battery storage platforms such as Gridstack and Smartstack with digital applications Mosaic and Nispera, which optimize bidding strategy and monitor asset performance across a fleet. Customers include utilities, independent power producers and data-center operators such as AES, Enel and Tata Power.

1. Grid-scale storage: Gridstack and Gridstack Pro deliver utility-scale battery storage capacity.

2. High-density platform: Smartstack increases energy density by about 30% versus prior generations.

3. Bidding optimization: Mosaic applies AI-driven strategies to bid stored energy into wholesale markets.

4. Asset monitoring: Nispera tracks performance across renewable and storage fleets in real time.

5. Global utility base: Deployments span major utilities and IPPs including AES, Enel and Statkraft.

6. Data-center support: Recent partnerships extend storage systems to data-center power infrastructure.