Zinc-air battery-based energy storage system maker Fluidic Energy has received US$20 million in investment for projects in south-east Asia from a private equity fund which includes the Asian Development Bank as a partner.

Poor grid flexibility in Indonesia means energy storage could be critical leverage when trying to install solar and wind projects.

Some news in brief from around the world of energy storage this week: Manz underlines positive assessment of energy storage sector with US$55 million deals, Sonnenbatterie backs US push with investment from INVEN Capital, local sources report AES wants to build 250MW of projects in Philippines.