  In this paper, we propose a model of decentralized energy storages, who serve
as instruments to shift energy supply intertemporally. From storages'
perspective, we investigate their optimal buying or selling decisions under
market uncertainty. The goal of this paper is to understand the economic value
of future market information, as energy storages mitigate market uncertainty by
forward-looking strategies.
  At a system level, we evaluate different information management policies to
coordinate storages' actions and improve their aggregate profitability: (1)
providing a publicly available market forecasting channel; (2) encouraging
decentralized storages to share their private forecasts with each other; (3)
releasing additional market information to a targeted subset of storages
exclusively. We highlight the perils of too much market information provision
and advice on exclusiveness of market forecast channel.
