![]() The largest hydro storage plant in the world is the Bath County Pumped Storage Station in Virginia, US, which cost $1.6bn in 1985 and has a storage capacity of around 24,000MWh. Hydro-electric power storage plants that require man-made dams to produce energy can cost billions of dollars to construct, although they can store significantly more energy than 100MW. Take Tesla’s 100MW/129MWh battery technology in Australia, for example, which cost the company around $66m to produce. Comparing energy storage solutionsĮxisting energy storage systems are currently very costly. The innovation comes in its application of cloud-based automation software, which operates the six-arm crane mechanically, and manages the distribution of power to either store energy from solar and wind assets, or discharge it to the grid when needed. On the other hand, in order to release the power, kinetic energy is created from the downward movement of the mass, thereby creating the electricity.” “Increasing the height of a large mass implies storing electricity in the form of potential energy. “In each gravity-based energy storage, a certain mass is moved from a lower point to an upper point – with the use of a pump, if water for example – which represents ‘charging’ the storage, and from a higher to a lower point which creates a discharge of energy,” says Energy Vault CEO and co-founder Robert Piconi. In a similar vein, Energy Vault has developed a six-arm crane to lift 5,000 concrete blocks – weighing 35t in total – up and down a 33-storey building, which store gravitational potential energy when they are raised, and release it as they are lowered. ![]() Water is then pumped back up from the lower to the upper reservoir, at some electrical cost, which again rotates the turbine and the system is repeated, thus generating and containing electricity. ![]() In pumped hydro systems, water flows down from an upper reservoir to a lower reservoir, passing through and rotating a generator or turbine. The storage technology incorporates basic principles of physics that have been used in the production of pumped hydropower plants for years. In the process they’ve defined an “Oakland soul” sound as instantly recognizable as those from Castillo’s hometown, Detroit, as well as inspirations like Memphis and Philadelphia.How does the technology work and how does it compare to other forms of energy storage? Modernising a time-honoured technique The band has long since surpassed Castillo’s modest aspirations, traveling the world, enjoying hit singles on their own and backing legendary artists including Otis Redding, Elton John, Santana, the Grateful Dead, John Lee Hooker, Aerosmith, Bonnie Raitt, and countless others. Tower’s window-rattling grooves and raucous party spirit has been a balm for the soul throughout their half-century existence, but the release of 50 Years of Funk & Soul: Live at the Fox Theater couldn’t have arrived at a better time. Castillo says their love of the stage is the same today as it was back in 1968.ĥ0 years later, in 2018, they returned to Oakland to celebrate their landmark 50th anniversary. ![]() Bump City, their 1972 debut for the label, was a hit on both the Billboard 200 and the R&B Albums chart, and netted them the hits “You’re Still A Young Man” and “Down to The Nightclub.” The 70s were a boom period with radio classics like “So Very Hard to Go” and “What Is Hip?,” and the band continued to tour and record over the years. He came in the band, and we eventually changed our name to the Tower of Power.” The reason for the band name change was that they had a specific goal in mind.Įast Bay Grease defined their sound and landed them with Warner Brothers. I met “Doc” Kupka back in 1968, and gave him an audition. “Rocco was the bass player, I was there, and my brother was the drummer. Corporate, Foundation & Government Supportįor over 50 years, Tower of Power has delivered the best in funk and soul music.“We were a Soul band called The Motowns.” recalls Emilio Castillo. ![]()
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