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How Nevada Is Leading the Renewable Energy and Battery Storage Charge [PODCAST]

August 6, 2019

Renewable energy and battery storage are hot topics in the U.S. today. Lawmakers throughout the country debated various new energy policies during the 2019 legislative session. Nevada is among the states leading the way forward. Several new laws were passed in the state that will affect power companies and consumers for years to come.

Curt Ledford, a Nevada-based attorney who is a partner with Davison Van Cleve PC, was a guest on The POWER Podcast. Ledford’s practice is focused on utility, administrative, corporate, cooperative, and regulatory law, as well as general matters affecting energy developments, generation facilities, renewable energy, and Nevada’s utilities.

On the podcast, Ledford touched on several legal and legislative developments that occurred recently. Among the topics were changes to Nevada’s fundamental utility ratemaking structure and changes to the state’s open access for large customers. He also elaborated on an update to the state’s renewable portfolio standard, which requires 50% of Nevada’s energy to come from renewable sources by 2030.…

Investments in Energy Storage Grow as Battery Costs Fall

July 31, 2019

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A new report released July 31 details continued growth in global energy storage, driven by lower costs for lithium-ion batteries.

Research company BloombergNEF (BNEF) in its latest forecast published Wednesday said energy storage installations worldwide will grow across the next two decades, from the 9 GW/17 GWh of capacity deployed as of last year, to 1,095 GW/2,850 GWh by 2040, as battery costs fall by half by 2030 compared to today’s levels. It said two markets—stationary storage and electric vehicles—will drive demand for batteries.

BNEF said most of the new energy storage capacity for the power market is likely to be grid-scale.

Yayoi Sekine, a co-author of the report, in a news release said the latest research has “two big changes,” noting that “this year … we have raised our estimate of the investment that will go into energy storage by 2040 by more than $ 40 billion,” with BNEF forecasting $ 662 billion will be invested in storage over the next 20 years.…

APS Will Add 850 MW of Battery Storage to Solar Plants

February 23, 2019

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Arizona’s largest utility wants to support its renewable power portfolio by adding as much as 850 MW of battery storage capacity to its solar power plants by 2025.

Arizona Public Service Co. (APS) made the announcement February 21. Don Brandt, the utility’s chairman and CEO, in a statement said, “Arizona is already a national leader in solar energy. The challenge is, no one has figured out how to stop the sun from setting at night. As storage technology improves and declines in cost, we will increasingly be able to store the power of the sun cost-effectively to deliver when our customers need it.”

The plan includes installing batteries at existing solar facilities, and at future sites. APS would not talk about the cost of the program, citing confidentiality agreements, but said it would build at least 100 MW of new solar capacity by 2025. Analysts have said the utility currently generates about 14% of its power from renewable sources.

The U.S.…

Dominican Republican to Get Floating Combined Cycle Gas Plant Outfitted with Battery Storage

December 8, 2018

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A novel floating power plant that combines a 145-MW gas-fired combined cycle power plant and a battery energy storage system could begin operating in the Dominican Republic by early 2021.

Siemens and the marine arm of Singapore-based ST Engineering on December 3 said they jointly received an order for a SeaFloat barge-mounted power plant from Bermuda-based Seaboard Corp. subsidiary Transcontinental Capital Corp. The independent power producer is developing the Estrella del Mar III project in the Dominican Republic’s capital of Santo Domingo.

The hybrid project is based on Siemens’ SCC-800 2×1 SeaFloat concept. The shipyard-constructed floating power barge includes two Siemens SGT-800 gas turbines and one SST-600 steam turbine. “The gas and steam turbine generation sets are of single lift package design for floating applications utilizing integrated based frame design with three-point mount,” the company said in a news release.

The project also includes a SIESTART solution; Fluence Energy, a joint venture between Siemens and AES, will provide a 5-MW/10-MWh battery energy storage system to provide frequency regulation control.…

Moody’s: Battery Storage Viability is Increasing

March 24, 2018

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Battery storage’s emergence as a tool to boost grid reliability and a viable project finance opportunity is good news for utilities and grid operators, said Moody’s Investor Service in an infrastructure and project report on March 19.

The ratings agency noted that currently, lithium ion battery costs hover at about $ 400/kWh installed—the battery itself which is about $ 200/kWh, and the balance of the plant (with traditional electric components) at another $ 200/kWh. While that figure is the result of an already significant cost decline over the last several years, if current trends continue, costs will continue to decline to $ 100/kWh between 2020 and 2022.

The cost decline could translate to a “significant reduction in project costs, which will make storage applications more economically viable,” it said.

Cost declines for battery storage can be pegged to growing economies of scale in manufacturing and improvements in battery technology, Moody’s noted. The energy storage sector also has regulatory backing. Along with energy storage mandates in several states, including California, Massachusetts, New York, and Hawaii, a 30% investment tax credit is available for energy storage coupled with renewable generation at a federal level.…

SDG&E Unveils World’s Largest Li-Ion Storage Battery

February 25, 2017

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California utility San Diego Gas & Electric (SDG&E) on February 24 officially put into service what is currently the largest lithium-ion storage battery in the world, wrapping up a fast-track procurement process that began less than a year ago.

The 30-MW, 120-MWh system (Figure 1) supplied by AES Energy Storage and located in Escondido about half an hour north of San Diego is part of an expedited response by the state and the California Public Utilities Commission (CPUC) to the loss of the Aliso Canyon natural gas storage facility north of Los Angeles last year. The sudden loss of that storage capacity put major constraints on the area’s gas-fired generation and meant that peaker facilities faced the risk of not having gas to run when they were needed.

1. Bulk storage. San Diego Gas & Electric’s new 30-MW, 120-MWh battery storage system in Escondido, Calif., is the largest grid-connected battery in the world. Source: POWER/Tom Overton

Gov. Jerry Brown declared a state of emergency over the leak, and the CPUC in May told the state’s utilities to expedite plans for meeting their obligations under the agency’s energy storage mandate.…