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HBr Flow Batteries: long term storage for grids, compatible with hydrogen

January 13, 2022 by Helena Uhde and Veronika Spurná

The growth of intermittent wind and solar and the search for replacements for coal and gas points at storage solutions that can ensure a reliable supply of electricity at all times. Standard lithium-ion batteries have limitations. Put simply, the future demand for batteries (including for transport) is expected to far outstrip the supply of lithium. But hydrogen and bromine are abundantly available on a global scale. Helena Uhde and Veronika … [Read more...]

Filed Under: Energy, Storage Tagged With: baseload, batteries, bromine, coal, electricity, Elestor, Flow, gas, grids, HBr, hydrogen, lithium, policy, regulations, solar, storage, Vanadium, wind

New research shows Wind turbines, configured right, could provide grid stability

December 8, 2021 by NREL

Research at NREL, in collaboration with GE, has led to a demonstration of common wind turbines in “grid-forming mode”. They managed to set the grid voltage and frequency, operating without power from the wider electric grid. It opens the door to reducing reliance on conventional sources of stability like coal or gas generators. The well-known weakness of wind is its variability and therefore its need to be supported by traditional baseload … [Read more...]

Filed Under: Energy, Grids, Renewables Tagged With: baseload, coal, frequency, gas, grids, solar, stability, variability, voltage, VRE, wind

“The Role of Gas” in Europe and China: EVENT VIDEO on security of supply, gas to power, competitive markets & renewable gases

March 4, 2021 by Arasan Aruliah

We present the videos of the second of our three, 4-session workshops on the opportunities for European energy solutions providers to take part in China's energy transition. In this workshop, held in February, we looked at gas. Demand in China is expected to keep growing. That’s because China doesn’t just need to replace coal, it simply needs more energy. Europe’s gas sector has decades of relevant experience, technology, policy, planning and … [Read more...]

Filed Under: Energy, Oil, Gas & Coal Tagged With: baseload, China, coal, EU, gas, hydrogen, LNG, markets, pipelines, power, supply, syngas

Policy-makers still undervalue Energy Efficiency as a grid resource

January 28, 2021 by Filippos Anagnostopoulos and Samuel Thomas

Supply-side solutions to grid stability are few in number, and expensive. More baseload generation, electricity networks, capacity markets that pay power plants all year round to be available for dispatch during a few peak hours. Demand-side solutions are usually smaller, and multitudinous: building fabric improvements, equipment upgrades, customer behaviour interventions, and more. So, for grid stability, the principle of “Efficiency First” - … [Read more...]

Filed Under: Buildings, Energy, Energy efficiency, Grids Tagged With: baseload, buildings, CapacityMarkets, demand, efficiency, electricity, EU, grids, Horizon2020, SENSEI, US

Optimising Wind and Solar needs new ways of weather forecasting

January 27, 2021 by Hannah Bloomfield

Weather forecasters are used to – and very good at – predicting large-scale weather patterns and then inferring what the actual surface weather conditions will be, based on a database of past events. Hannah Bloomfield at the University of Reading explains how the creation of a database of site-specific wind and solar generation, as well as grid demand, can be used in the same way to more accurately predict the impact of the weather on these … [Read more...]

Filed Under: Energy, Renewables Tagged With: baseload, blackouts, forecasting, grids, prices, solar, VRE, weather, wind

Wind Farm “wake steering”: small re-alignments of turbines can increase output by 40%

July 9, 2019 by Vincent Xia

The wake from one wind turbine makes the turbines behind it less efficient. It’s similar to the way a speedboat is slowed by the choppy water caused by the boat in front. Vincent Xia reports on how scientists at Stanford University have been testing ways of fine-tuning the alignment of turbine arrays to reduce turbulence and increase output. The biggest wins (a 47% increase) are at low wind speeds, when turbines can otherwise stop altogether. At … [Read more...]

Filed Under: Energy, Renewables Tagged With: baseload, electricity, Intermittency, TransAlta Renewables, wind, wind farm

New “Gas for Climate” scenarios: can green gas and hydrogen save gas pipelines?

March 28, 2019 by Energy Post Premium

Gas has a key role to play in decarbonising the energy sector. Until a comprehensive clean energy network can accommodate variable renewables using storage, baseload power will be needed. Natural gas is a lower carbon option than coal, so there is a strong case for it to be the first-choice bridging fuel towards a net-zero energy economy. However, exactly how much gas, what type of gas and how existing infrastructure can store energy in the form … [Read more...]

Filed Under: Energy, Hydrogen, Oil, Gas & Coal, PREMIUM Tagged With: 2030, 2050, baseload, batteries, blue hydrogen, clean energy for all, EU energy policy, gas scenarios, grid stability, hydrogen, Navigant, renewables, storage

Virtual power plants: a story of market rules and smartgrids

March 15, 2019 by Energy Post Premium

Access to the grid-balancing market is competitive and carefully regulated. Green electricity from distributed and behind-the-meter renewable assets is already being traded on wholesale and balancing markets. The assets come in all shapes and sizes: roof-top solar, farmyard biofuel installations, EV and home battery systems, community energy projects, wind installations and heat pumps to name but a few. When they are pooled, by aggregators, they … [Read more...]

Filed Under: Energy, PREMIUM, Smartgrids Tagged With: baseload, behind-the-meter, coal power, control price, ENTSO-E, grid balancing, new energy companies, Next Kraftwerke, PCR, renewables, Shell, Sonnen, transition, TSOs, Virtual power plants

Investing in gas: the effect of carbon taxes, gas prices, and the growth of renewables

February 28, 2019 by Schalk Cloete

Schalk Cloete presents his latest article looking at what affects the profitability of an investment in a specific power sector. After reviewing onshore wind, nuclear and solar, he now looks at gas. His analysis of coal is to come. The major variables are increasing CO2 prices, and natural gas pricing. He adds that the growth of wind and solar should benefit load-following gas power plants: they are plugging the intermittency gap when electricity … [Read more...]

Filed Under: Energy, Oil, Gas & Coal Tagged With: baseload, carbon, carbon tax, discount rate, electricity, gas, investment, renewables, solar, wind

Most read this week

  • Financing Renewable Hydrogen globally: ramp up to 2030 only needs $150bn/year by Dolf Gielen | posted on May 26, 2023
  • Five charts on the Energy Transition: the 2020s is the decade of maximum disruption. By 2030 the endgame will be clear by Sam Butler-Sloss | posted on May 25, 2023
  • Making Hydrogen direct from seawater using double-membrane electrolysis by David Krause | posted on May 24, 2023
  • 10 Carbon Capture methods compared: costs, scalability, permanence, cleanness by Ella Adlen | posted on November 11, 2019
  • Understanding the new EU ETS (Part 2): Buildings, Road Transport, Fuels. And how the revenues will be spent by Simon Göss | posted on February 6, 2023
  • Oil & Gas can meet 2030 net-zero target for only $600bn, quickly recouped. But it’s still not happening, warns IEA by IEA | posted on May 22, 2023
  • Micro-nuclear reactors: up to 20MW, portable, safer by Christina Nunez | posted on April 22, 2021
  • Gravity Batteries: any nation can do it at scale using rocks by Simon Read | posted on July 27, 2022
  • The history of evidence of CO2-driven climate change starts in the mid-1800s by Marc Hudson | posted on May 23, 2023
  • The 10 big problems with simply replacing fossil cars with electric by Schalk Cloete | posted on December 6, 2021
  • EU Energy Outlook to 2060: how will power prices and revenues develop for wind, solar, gas, hydrogen + more by Alex Schmitt | posted on December 6, 2022
  • What’s best for Hydrogen transport: ammonia, liquid hydrogen, LOHC or pipelines? by Herib Blanco | posted on May 5, 2022
  • Hydrogen production in 2050: how much water will 74EJ need? by Herib Blanco | posted on July 22, 2021
  • Enhanced Weathering: crushed rocks spread on farmland can capture billions of tons of CO2/year by Benjamin Houlton | posted on July 21, 2020
  • U.S. EPA: new rules proposed for cutting Fossil Fuel-Fired Power Plant emissions by Cy McGeady | posted on May 30, 2023
  • Why hydrogen fuel cell cars are not competitive — from a hydrogen fuel cell expert by Zachary Shahan | posted on June 17, 2016
  • EU Carbon Removal Certification Framework: new rules to turn greenwashing into genuine removals by Simon Göss | posted on May 16, 2023
  • Modelling green Ammonia and Methanol in 2050. It will be expensive by Schalk Cloete | posted on September 9, 2022
  • Germany: will the end of feed-in tariffs mean the end of citizens-as-energy-producers by Isabel Sutton | posted on June 3, 2021
  • Can Aluminium-air batteries outperform Li-ion for EVs? by Helena Uhde | posted on September 8, 2021

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      Recent Posts

      U.S. EPA: new rules proposed for cutting Fossil Fuel-Fired Power Plant emissions

      Financing Renewable Hydrogen globally: ramp up to 2030 only needs $150bn/year

      Five charts on the Energy Transition: the 2020s is the decade of maximum disruption. By 2030 the endgame will be clear

      Making Hydrogen direct from seawater using double-membrane electrolysis

      The history of evidence of CO2-driven climate change starts in the mid-1800s

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