Some 22,000 potential energy storage sites have been identified in a new study, with a capacity of 67,000GWh.
The London-based investment firm, which is currently raising its third secondaries infrastructure fund, added Richard Sem as a partner and two others.
A subsidiary of Texas-based Quanta Services, the debut vehicle also has $2bn in non-discretionary co-investment capital.
Earlier this month, the French manager partnered with EDF to invest in distributed renewable projects in Africa.
Day is leaving end of this month after six years at the helm of the Australian manager.
The Australian fund manager is currently raising its second Asia-focused infrastructure vehicle, with a $300m commitment secured from AIMCo last month.
The vehicle’s first close raised just £33m short of its predecessor’s total amount.
As the Trump administration considers an expansion of the programme, Kroll Bond Rating Agency highlighted its role in drawing private infrastructure financing.
It would be the pension’s third investment with Stonepeak, after it ploughed $100m into its first infrastructure fund and $400m into its second.
A growing number of OECD-focused infrastructure investors is starting to head to emerging markets in what might signal a shift in the latter’s fortunes.
Moody’s analysis showed a compound annual growth rate of 55% in alternative investments by the country's insurers between 2013 and 2016.
The Australian bank said it would consider a range of options, including an IPO, for the global asset management business, which manages around $12bn in listed and unlisted infra.
The US pension fund fills the infrastructure consultant vacancy.
The firm acquired the Danskammer Station through its sophomore investment fund.
While rural advocates have stressed the limits of private sector financing, a coalition of agriculture and rural advocates see a key role for PPPs.