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“Flow Batteries” for grid-scale storage: modelling cheaper alternatives to Vanadium

June 7, 2023 by Nancy Stauffer

Flow batteries are a promising new technology for grid storage. Rather than the standard batteries that store charge in a solid material, they use a solution to store that charge, making large-scale long-duration electricity storage much easier. Vanadium electrolytes have been the preferred choice so far, but affordable supplies are limited and a cheaper alternative will be needed for global scale-up, explains Nancy Stauffer at MIT who describes … [Read more...]

Filed Under: Energy, Innovations, Storage Tagged With: batteries, costs, degradation, electrolytes, FlowBatteries, grids, iron, LCOE, lifetime, manganese, modelling, organic, research, Vanadium

30+ nations now subsidise Heat Pumps because lifetime cost is cheaper than fossil boilers

January 10, 2023 by Josh Gabbatiss

The global growth in heat pumps can deliver almost 40% of all possible emissions cuts from heating by 2030 (with most of the rest coming from efficiency, mainly insulation), says the IEA. This is according to their “Announced Pledges Scenario” (APS) which assumes that governments carry out all of the climate commitments they have made. Keeping buildings warm produces one-tenth of global energy-related CO2 emissions. So the APS’s heat pump growth … [Read more...]

Filed Under: Energy, HVAC Tagged With: buildings, China, efficiency, emissions, EU, heating, HeatPumps, HVAC, IEA, Italy, LCOE, Poland, subsidies, US

The Mining industry should simultaneously be testing for Geothermal potential

June 29, 2022 by Ryan Horns

In Nevada alone, the mining industry drills over 2,000 exploration holes per year. They do so to the depths needed to also verify whether the location is suitable for geothermal energy, so it makes sense for them to assess suitability not just for minerals but for geothermal, explains Ryan Horns writing for NREL. Leveraging that data, knowledge, and expertise will expand the geothermal exploration workforce, increase the rate of geothermal … [Read more...]

Filed Under: Energy, Geothermal Tagged With: data, exploration, geothermal, jobs, LCOE, mining, Nevada, US

Lifting and lowering tons of bricks: the best storage solution for Wind and Solar intermittency?

February 16, 2022 by James Conca

It’s a high capacity storage system that’s simplicity itself. Use excess wind and solar to raise heavy weights. Keep them at a height for as long as you like. Lower them to generate electricity. James Conca looks at a system being developed by Energy Vault and already being demonstrated in the Swiss national grid. At scale, a single “vault” with 10,000 bricks will have an annual output of 27 GWh, sitting on only 14 acres of land. The bricks are … [Read more...]

Filed Under: Energy, Storage Tagged With: batteries, bricks, efficiency, EnergyVault, grids, Intermittency, land, LCOE, solar, storage, Switzerland, US, wind

We’re not costing energy correctly: reward clean energy optimisation, not maximum generation

July 23, 2021 by Laura Sandys

Laura Sandys at Energy Systems Catapult says policy makers today are too focussed on rewarding clean energy generation, in other words supplying as much energy as possible. With that comes a focus on reducing the cost of the energy generated. But how about reducing demand? Demand optimisation should be equally rewarded: efficiency, non-generation demand management (even at the household level: think EVs and heat pumps), and any assets that … [Read more...]

Filed Under: Energy, Grids Tagged With: demand, efficiency, electricity, EVs, HeatPumps, investment, LCOE, markets

Unlocking the potential of Ocean Energy: from megawatts to gigawatts

June 3, 2020 by Francisco Boshell, Roland Roesch, Alessandra Salgado and Judit Hecke

When you consider the expanse of the world’s oceans no one should be surprised that the theoretical potential for electricity generated from ocean energy is several times total global energy demand. Of course, that potential needs to be harnessed at commercial prices. Francisco Boshell, Roland Roesch, Alessandra Salgado and Judit Hecke at IRENA run through the technologies used to extract energy from tides and waves, the potential near-term … [Read more...]

Filed Under: Energy, Renewables Tagged With: aquaculture, desalination, EU, LCOE, OceanEnergy, tidal, wave

Barriers to intermittent renewables and battery storage come tumbling down

April 5, 2019 by Energy Post Premium

The astonishing growth of the renewable energy sector shows little sign of slowing, as costs continue to plummet, along with the cost of energy storage, to remove many of the barriers to using intermittent renewable generating sources in a range of applications. Much of this is down to the fact that the cost of battery energy storage is one third lower than this time last year. … [Read more...]

Filed Under: Energy, Renewables, Storage Tagged With: battery storage, BNEF, Intermittency, LCOE, solar, wind

IEA: solar’s exponential growth could make it less competitive, not more

February 12, 2019 by Brent Wanner

Solar’s current growth trajectory means a doubling of annual deployment every three years. But despite further expected reductions in some cost areas (e.g. cheaper tech and economies of scale), the IEA’s new VALCOE (value-adjusted levelised costs of electricity) metric calculates that solar’s relative competitiveness per unit added will actually decline as its inherent demand-matching issues scale up with the growth. Brent Wanner, WEO Energy … [Read more...]

Filed Under: Climate policy, Energy, Renewables Tagged With: flexibility, IEA, Intermittency, investment, LCOE, policy, solar, transition, VALCOE, WEO2018

Most read this week

  • Though the price shocks hurt, Renewables installed between 2021-23 saved Europe €100bn by Joe Myers | posted on September 18, 2023
  • Sodium-ion batteries ready for commercialisation: for grids, homes, even compact EVs by Carlos Ruiz | posted on September 11, 2023
  • Improved “Solar Thermochemical” process captures 40% of the sun’s heat to produce Green Hydrogen by Jennifer Chu | posted on November 29, 2023
  • 10 Carbon Capture methods compared: costs, scalability, permanence, cleanness by Ella Adlen | posted on November 11, 2019
  • What does cutting-edge Smart Metering look like as Grids become increasingly complex? by Gridspertise | posted on November 23, 2023
  • Investing billions in new cross-border Electricity Transmission capacity can cover its costs within a few years by George Dimopoulos | posted on November 27, 2023
  • Italy: 71 GWh of additional Grid Storage required by 2030 says Terna by Sara Stefanini | posted on November 28, 2023
  • Carbon Footprints for every product: the need for sector-specific, comprehensive granular data and accounting by Nicole Labutong | posted on November 30, 2023
  • How to manage price risk as the EU shifts from Russian Gas to Renewables by Kong Chyong | posted on December 1, 2023
  • Micro-nuclear reactors: up to 20MW, portable, safer by Christina Nunez | posted on April 22, 2021
  • EU Energy Outlook to 2060: power prices and revenues predicted for wind, solar, gas, hydrogen + more by Huangluolun Zhou | posted on December 4, 2023
  • 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
  • Farming Algae for Carbon Capture: new research cuts “fouling.” Scale-up in 3 years? by David Chandler | posted on June 21, 2023
  • What’s best for Hydrogen transport: ammonia, liquid hydrogen, LOHC or pipelines? by Herib Blanco | posted on May 5, 2022
  • Can Aluminium-air batteries outperform Li-ion for EVs? by Helena Uhde | posted on September 8, 2021
  • CBAM is now active. A guide to what companies must do to comply by Simon Göss | posted on October 27, 2023
  • 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
  • Gravity Batteries: any nation can do it at scale using rocks by Simon Read | posted on July 27, 2022
  • Middle East & Africa to export Hydrogen to Europe? Better to make green Iron & Steel and export that by Soroush Basirat | posted on November 23, 2023
  • 5 charts show the rapid fall in costs of renewable energy by Douglas Broom | posted on November 16, 2020

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      Recent Posts

      What does cutting-edge Smart Metering look like as Grids become increasingly complex?

      EU Energy Outlook to 2060: power prices and revenues predicted for wind, solar, gas, hydrogen + more

      How to manage price risk as the EU shifts from Russian Gas to Renewables

      Carbon Footprints for every product: the need for sector-specific, comprehensive granular data and accounting

      Improved “Solar Thermochemical” process captures 40% of the sun’s heat to produce Green Hydrogen

      Italy: 71 GWh of additional Grid Storage required by 2030 says Terna

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