Energy Storage

Global storage growth of 4.6% in 2017 reflects patchy state of sector

Despite hitting a record 1.17 GW of new grid-scale storage capacity in 2017, growth was a mere 4.6% on 2016 having surged 61% the year prior. Industry’s reliance on policy support means foundations for growth remain uneven, report finds. Average costs, however, fell by 24% last year.

Maryland opens energy-storage tax credit program

The program is now taking applications for $750,000 in tax credits to support energy storage systems added to existing renewable energy systems, with $225,000 reserved for residential solar customers and $525,000 reserved for commercial taxpayers.

APS, First Solar to install Arizona’s largest battery system

The Arizona-based module manufacturer will install a 50 MW battery system charged by a 65 MW solar farm under a 15-year power contract with the state’s largest utility.


Tesla solar deployments slide further in Q4

With only 87 MW deployed, Tesla/SolarCity may no longer be the largest distributed solar company in the United States, but its energy storage business is growing.


Enphase share sale raises $20 million

The California-headquartered microinverter specialist announces private equity offering of 9,523,809 shares that have been sold to Chilean entrepreneur Isidoro Quiroga.

Honolulu energy storage permits jumps more than 1,700%

Last year, the number of solar+storage permits granted by Honolulu city and county increased to 731, a startling increase from the 40 the city granted in 2016.


80% clean energy by 2030, 3 GW of energy storage proposed in Arizona

Commissioner Tobin of the ACC has proposed the most radical vision yet for clean energy in Arizona. But what does “clean” mean?

Stem closes $80 million funding round

The energy storage company will receive the money from three different investors, including the Ontario Teachers’ Pension Plan.

New York unveils bold solar, energy storage plans

In Governor Andrew Cuomo’s 2018 State of the State address, he re-committed New York to eliminating coal from its power plants in two years, provide solar to 10,000 low-income New Yorkers and invest $200 million in energy storage research.

IEA explores paths to PV and wind integration

The International Energy Agency has released a manual for policy makers on the issues involved in the large scale integration of solar and wind power into power grids.

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