Energy Storage

The Swiss arm of MAN Diesel & Turbo and ABB Switzerland have started to jointly develop, produce and commercialize a three-way Electro-Thermal Energy Storage system (ETES). Based on so-called ‘charging cycle,’ the ETES uses surplus renewable-electricity to generate heat and cold for storage in insulated reservoirs. The stored heat and cold can then be converted back into electrical energy on demand.

Deployment of large-scale battery storage is rapidly increasing across the United States, but capital costs of energy storage systems vary greatly, dependent on the technology uses. Energy-oriented batteries systems, used for peakload shaving, are designed for longer durations and consequently have higher average costs per kilowatt and lower costs per kilowatthour. This type is mostly used in the California Independent System Operator (CAISO) area.

Technology of battery-based energy storage has matured and industry stakeholders in some regions of the United States have gained experience financing, procuring, and operating power storage installations. Lithium-ion chemistries batteries currently make up 80% of large-scale U.S. power storage, and most of the capacity is being installed in California followed by the Pennsylvania-New Jersey-Maryland Interconnection (PJM).

Mexico, the largest buyer of US pipeline gas and LNG, is preparing a tender for strategic storage at depleted oil and gas reservoirs. Cenagas, the Mexican National Natural Gas Control Centre, has already selected four underground sites – Acuyo, Brasil, Jaf and Saramako – from a list of 15 proposed sites. Registering strong bidding interest from foreign players, the Mexican Energy Secretariat (Sener) will hold the tender in September 2018.

Opinions differ widely when it comes to energy storage. Dominion Energy in its new long-term plan for Virginia and North Carolina notes that the price of battery storage showed it wasn’t ready for full consideration. Instead, the utility is looking to intensify the deployment of new gas-fired peaking power plants.

Dry natural gas production in the United States is forecast to reach a new record of 80.5 billion cubic feet per day (Bcf/d) in 2018, up from 73.6 Bcf/d in the previous year. According to the EIA’s latest Short-term Energy Outlook (STEO), the rise in US natural gas production will help replenish storage levels from current lows and support increasing natural gas exports, both via pipeline to Mexico and in the form of LNG.

Technological challenges are “taking root on the grid,” the New York Independent System Operator (NYISO) said with reference to an array of battery storage projects and the first offshore wind project off Long Island. Looking ahead, NYISO expects both baseload and peakload power demand to fall by about 0.14% through to 2028, caused by a rising use of distributed power sources and  energy efficiency measures.

Elon Musk, the man at the helm of Tesla, has hinted at the company’s Q1 investors’ call that a giant 1 GWh energy storage project would be announced soon. Highlighting the impact of Tesla’s 129 MWh battery in South Australia, he said “its grid stabilization was much greater actually than even a gas turbine plant, which normally respond quite fast.”

Siemens is applying its electrification experience in the marine industry to offshore oil and gas, focussing on reducing emissions and risk in harsh operational environments. BlueVault, Siemens’ advanced lithium-ion battery-based solution, is suited for both all-electric and hybrid energy-storage applications.

ITM Power and Northern Gas Networks (NGN) have announced the outcome of a feasibility study, evaluating the potential of deployment and cost-effective operation of 50MW energy storage capacity within the boundaries of the NGN gas distribution network. Low Thornley in Gateshead is being recommended as the most suitable site for a power-to-gas demonstration plant in the size range 50-100MW.

April 17 – Enel X, the energy services division of Enel Group through its US subsidiary EnerNOC, has struck an agreement with Algoma Orchards of Ontario, Canada to deploy a 1 MWh lithium-ion battery storage system under a contract spanning 11 years. The storage system will be deployed in the first half of 2018.

GE Reservoir, a new power storage platform for AC or DC coupled systems, condenses 4MWh of energy capacity into a 20’ box. The system improves battery the lifecycle by about 15%, delivers 5% higher efficiency and reduces installation time and costs, GE said, adding it already has a 20 MW, 80 MWh pre-launch commitment.

About two-thirds of the utility-scale battery storage capacity installed in the United States is located in two electricity markets: the California Independent System Operator (CAISO) and the PJM Interconnection which covers all or parts of 13 eastern states.

Greensmith Energy, a part of Wärtsilä group, has completed two grid-scale energy storage systems in Texas. Called ‘Texas Waves’, the two 9.9-MW short-duration storage facilities are fed by E.ON’s 249-MW Pyron and the 197-MW Inadale wind farms, both near Roscoe, delivering energy on short notice to the Electric Reliability Council of Texas (ERCOT).

Arenko Group, a leading energy storage systems operator, has selected GE to deliver a 41-MW battery – one of the largest in the UK – to supply power on demand to approximately 100,000 homes. The grid-scale energy storage is designed to enhance efficiency of power transmission, balance renewable energy supply and help reduce customers’ energy bills. To be sited at a strategic location in the Midlands, the battery storage will commence operations in 2018.

Page 4 of 11

News in Brief

Japan starts electricity futures trading

Sept 19 – Tokyo Commodity Exchange (TOCOM) has launched trading in electricity futures to advance price competition in Japan’s liberalized energy market. The East Area peakload electricity contract for October delivery first traded at 10.9 Yen per kWh, lower than the standard price of 11 Yen set by TOCOM in advance.

Duke to reduce rates in 2020

Sept 18 – Duke Energy Florida (DEF) customers will see lower bills in 2020. The utility filed a proposal with the Florida Public Service Commission to reduce rates for electricity and gas by more than 3% while adding more solar power and making grid improvements.

Myanmar approves three power projects

Sept 17 – Myanmar’s Ministry of Electricity and Energy has given the green light to plans for a 1,230 MW gas-fired power plant in Kanpauk, Taninthayi region, a 377 MW gas-fired unit in Ahlon, Yangon region and a 1,390 MW thermal plant in Milaunggyine in Ayeyawady region. The conflict-ridden country is currently producing electricity from 5,600 MW installed capacity, derived both from state- private-owned power stations.

Bonny Train-7 to cost $6.5bn

Sept 16 – Nigeria LNG is preparing to add a seventh processing train to Bonny LNG, bringing total capacity from 22 million tons per annum (mtpa) to 30 mtpa. Estimated to cost $6.5 billion, Bonny Train-6 will include a new liquefaction unit, a storage and a condensate tank as well as three gas turbine generators.

Schneider to complete L&T takeover by early 2020

Sept 13 – Venturing into India, Schneider Electric hopes to finalise the Rs 14,000 crore acquisition of Larsen & Toubro's electrical and automation business by early 2020. After the transaction is completed, Schneider will have a 65% stake in L&T, while the remainder will be held by Temasek.

MHI to advice China on energy conservation

Sept 12 – Mitsubishi Heavy Industries Thermal Systems, part of MHI, has set up a joint venture withan affiliate of State Grid Corporation of China (SGCC) to perform technical consulting for energy conservation projects in China. The focus of SGCC lies on building new decentralized power stations, biomass-derived power gensets and energy saving solutions.

Tender extended

Sept 11 – Turkmengas has extended a tender for the overhaul of the gas turbine engines of the NK-12ST and NK-14ST brands. Bidders need to pay to receive the tender documents, and then submit a written application to Turkmenistan’s state gas company.

Gas power units to buffer Germany’s coal exit

Sept 10 – Electricity output of Germany’s fleet of gas-fired power plants has risen to a over 13,5 billion kilowatt-hours in the three months from June to August, Fraunhofer ISE figures show. These productivity gains put CCGTs in pole position to balance supply swings in connection with the German coal exit.

Power of Siberia gas flows to start on Dec 1

Sept 9 – Russian gas supplies to China via the eastern route are going to start on December 1, 2019, Gazprom chairman Alexey Miller told his counterpart at CNPC in Beijing. The huge Chayandinskoye field, containing some 1.2 trillion cbm of gas, had already been connected to the 38 Bcm per year ‘Power of Siberia’ gas pipeline in August.

Hurricane Dorian causes havoc in the Bahamas

Sept 6 – In the aftermath of Hurricane Doran, a Category 5 storm, Bahamas Power and Light has said there is a total blackout in New Providence, the most populous island of the archipelago. Dorian made landfall twice on Sunday, ripping off roofs and electricity lines. In most parts, electricity has not been restored.

LNG cargoes via Bab-el Mandeb decrease

Aug 30 – Northbound LNG shipments via Bab el-Mandeb, a sea route chokepoint between the Horn of Africa and the Middle East, have fallen over the past three years as Egypt imports less natural gas from the Persian Gulf. In 2015 and 2016, both Jordan and Egypt imported up to 1.4 Bcf/d of LNG into Red Sea ports but these shipments fell sharply following the development of large gas finds in the Mediterranean.

Hokuriku Electric buys LNG cargo

Aug 29 – Japanese utility Hokuriku Electric has purchased an LNG cargo for delivery in November as soaring temperatures drew down gas in storage for the autumn. The cargo is understood to be scheduled for delivery in the second half of November from Malaysia’s Petronas and may well be destined for Hokuriku Electric’s first LNG-fired power generation unit,  the Toyama Shinko plant.

Technip spins off LNG activities

Aug 28 – TechnipFMC, has decided to spin off its European-based engineering and construction operations into a separate business, leaving the American half of the firm as an equipment supplier to the oil and gas sector. The split is due to be completed in the first half of 2020.

FLNG power market to top $930m by 2023

Aug 27 – The global market for floating LNG power vessel is projected to reach $ 931.6 million by 2023, up from $ 860.1 million seen last year, according to ReportsnReports. Major vendors of FLNG power vessels are Siemens, MAN, Wärtsilä, Caterpilar and GE which are targeting to use the technology to supply decentralized power to island nations in Southeast Asia and along the coast of sub-Saharan Africa and the Americas.

EIA monitors grid hourly

Aug 26 – The U.S. Energy Information Administration (EIA) has launched a beta release of its hourly electric grid monitor. The enhanced version analyses hourly generation by energy source and hourly sub-regional demand for certain balancing authorities in the Lower 48 states.

Hiroshima waste-to-energy plant gets upgrade

Aug 23 – Mitsubishi Heavy Industries (MHI) has been chosen to upgrade and refurbish the combustion facilities at a waste to energy plant in Hiroshima. The Naka plant in Minamiyoshijima, Naka-ku, has a total waste treatment capacity of 600 tonnes per day and generates 15.2 MW of electricity to power the equipment in the factory, while selling the remainder to the grid.

China eases ban on coal power

Aug 22 – The Chinese National Energy Administration (NEA) has allowed 11 provinces to resume building coal power plants in a move that lies bare the country’s dependency on thermal coal even after several hundred billion dollars were invested cleaner energy sources, notable wind, solar and natural gas. Areas earmarked by NEA for new coal power plants include Qinghai, Chongqing, Guangxi, Guangdong, Yunnan, Guizhou and Henan.