Today, falling solar cell prices and favorable national and state policies are driving the electricity market for US energy storage technologies. The latest example is the development of energy storage for Pacific Gas and Power. The company plans to deploy a total of 2. The installed capacity is 2,270 MW of battery energy storage project.
'The energy storage system is playing an increasingly important role in California's clean energy future, although the energy storage system has been part of the PG&E power portfolio since the Helms Pumped Storage Power Station in the 1980s, but until recently The decline in battery prices has made energy storage systems an alternative to traditional solutions. 'Roy Kuga, vice president of grid integration and innovation at PG&E, said, 'So we believe that battery energy storage systems are improving overall grid reliability. Integrating renewable energy and helping customers save energy and money will be even more important.'
If these energy storage projects are approved by the California Public Utilities Commission, the first projects will be operational in 2019, while others will be operational one year later. California's independent system operators are incorporating energy storage systems into power generation. The portfolio, while PG&E, Sempra Energy, and Edison International must jointly purchase an installed capacity of 1,325 megawatts of energy storage system by 2020.
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In order to replace the three natural gas power plants owned by Calpine, PG&E will choose to deploy three energy storage projects: installed capacity of 1,540 MW, 385.5 MW and 182.5 MW. It will also have an energy storage project, installed capacity. The capacity is 750 MW. The 1540 MW energy storage project will be owned by Texas-based Vistra Energy and operated by its Dynergy Marketing and Trade company.
The Brattle Group released a study earlier this year that shows that if energy storage costs continue to decline and US federal policies to promote the technology are implemented, the installed capacity of the energy storage market may grow to 50,000 megawatts in a decade. The report states that These policies must also be matched at the state level.
Research institutes GTM Research and the American Energy Storage Association also released the 2017 US Energy Storage Monitoring Annual Review Report. The report shows that the United States deployed 1,000 MWh of energy storage capacity between 2013 and 2017, and is expected to deploy more than 1200 trillion in 2018. The watthour energy storage project, compared to 431 MWh in 2017. GTM estimates that the value of the US energy storage market will exceed $1.2 billion in 2019.
'The energy storage project is already cost-effective in some important but very narrow applications.' Judy Chang, head of Brattle Group and one of the research authors, said, 'We have not yet fully achieved our goals, but with further costs Declining, energy storage will bring changes to the power industry. Project developers, utilities and policy makers are participating in the regulatory process in different jurisdictions to address the most effective integration of energy storage resources in order to be efficient Improve grid operations. '
Chang also specifically quoted a bill voted by the US Federal Energy Regulatory Commission in mid-February this year, allowing grid managers to add energy storage systems in the same way as traditional generators, so energy storage projects entered the US wholesale energy market.
Regional transmission organizations and independent system operators must come up with plans to achieve the goals of the US Federal Energy Regulators later this year. The US Energy Information Administration said that since 2013, PJM has provided approximately 250 MW of installed capacity. The company's energy storage capacity with California's independent system operators accounted for two-thirds of the total battery energy storage in 2016.
The State of New York is also actively developing the energy storage market. Its Public Service Commission has approved two energy storage projects of Edison United Electric. This is part of the state's clean energy goal, achieving 50% renewable energy in 2030, to 2050 The annual greenhouse gas emissions are reduced by 80%. The City of New York set a target in September 2016 to install a 100 MW energy storage system by 2020. By 2030, the installed capacity of solar energy will reach 1,000 MW.
Beneficiary
If energy storage equipment can work on a commercial scale, this will be a huge boon for local utilities and economic development. Specifically, for utilities, this will mean reducing or avoiding power plants and distribution. Capital expenditures such as lines.
But cost is still an obstacle. Currently, depending on the type of application and energy storage equipment, the continuous operating cost of the battery energy storage system is 15 cents to 30 cents per kWh. For comparison purposes, the cost of generating electricity for natural gas is Kilowatt hours 7 cents. Therefore, the cost of energy storage must be reduced to compete with it.
Fortunately, energy storage technology will progress and the cost will be lower and lower, including not only battery energy storage technology, but also solar cell technology. If coupled with favorable national and local policies, its application progress seems to be overwhelming. If sustainable development Going forward, consumers will eventually become beneficiaries, which can lower electricity prices and provide more reliable electricity and cleaner energy.
