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Canada to tap Dormant Volcanoes for Geothermal energy

October 19, 2022 by Lizzy Rosenberg

Live volcanoes might be an obvious source of geothermal energy if it wasn’t for the fact they were dangerous. But dormant volcanoes aren’t, yet they still host vast reservoirs of natural heat near the Earth’s surface. So Canada is looking to generate power from Mount Meager and Mount Cayley, two dormant volcanoes north of Vancouver, explains Lizzy Rosenberg writing for the World Economic Forum. Although Canada isn't known for its volcanoes, its … [Read more...]

Filed Under: Energy, Geothermal Tagged With: Canada, Cayley, drilling, geothermal, heat, Iceland, Meager, NewZealand, steam, turbines, volcanoes

Deep Geothermal: accessing 500°C for steam turbines. Can it make coal, gas, nuclear redundant?

July 13, 2022 by Zach Winn

The concept of “deep geothermal” is very simple. Dig deep enough, like 20km, to access a permanent reservoir of 500°C of heat. There, you generate the steam to power your turbines. The digging of a stable hole and getting the steam to the turbine is the big engineering challenge. But if you find a way that allows you to do it anywhere in the world (i.e. not limiting yourself to existing geological formations), nobody will ever need other … [Read more...]

Filed Under: Energy, Geothermal Tagged With: coal, engineering, gas, geothermal, gyrotron, heat, Nuclear, steam, turbines

New thermophotovoltaic cells turn heat into electricity more efficiently than a steam turbine

June 22, 2022 by Jennifer Chu

Over 90% of the world’s electricity comes from heat-generating power plants using coal, natural gas, nuclear energy, and concentrated solar energy. Steam turbines have always been the standard for converting that heat into electricity. On average they are only 35% efficient, with moving parts that cannot cope with temperatures above 2,000 degrees Celsius. Jennifer Chu at MIT describes new research, in collaboration with NREL, that has led to a … [Read more...]

Filed Under: Energy, Innovations Tagged With: batteries, electricity, heat, maintenance, solar, storage, thermal, thermophotovoltaic, turbines

How a street can share a Ground Source Heat Pump

May 11, 2022 by David Barns

Ground and air source heat pumps are expected to play a major role in cutting the use of gas for heating. But one major problem with them is that they need a lot of space. For those living in dense housing it’s just not practical. District heat networks are the usual alternative, but the dense urban areas they serve need to be near a large source of waste heat like power stations or other industrial units. David Barns at the University of Leeds … [Read more...]

Filed Under: Energy, HVAC Tagged With: air, buildings, district, heat, HVAC, local, pumps, residential, urban

Getting Concentrated Solar Power (CSP) down to $0.05 per kWh

March 2, 2022 by NREL

The U.S. Department of Energy is funding research to get the cost of Concentrated Solar Power (CSP) down to $0.05 per kWh. One key element of that research is the materials used to absorb and store the heat energy. Three categories of materials are being looked at: liquid (i.e. molten salt), particle (like sand), and gaseous. NREL is leading the molten salt research, and there are multiple challenges. The salts can corrode the storage tanks and … [Read more...]

Filed Under: Energy, Renewables Tagged With: chloride, costs, CSP, fuelcells, heat, MoltenSalt, nitrate, Nuclear, research, solar, storage, USDoE

Redesigning UK electricity taxes to boost Heat Pump sales

October 14, 2021 by Jan Rosenow and Richard Lowes

In the UK, consumer prices for electricity are five times more expensive than for gas. It is a disincentive to adopt electric heat pumps. To make things harder, 23% of the electricity price comes from climate and social levies. It’s just 2% for gas. No wonder the UK continues to install about 1.7 million gas boilers a year. Jan Rosenow and Richard Lowes at RAP call for changes that will incentivise customers to buy heat pumps while having a … [Read more...]

Filed Under: Energy, HVAC Tagged With: Denmark, electricity, electrification, gas, Germany, heat, HeatPumps, HVAC, levies, Netherlands, Sweden, taxes, UK

Waste Heat Recovery can help replace Poland’s District Heating coal

June 15, 2020 by Gerard Wynn, Arjun Flora and Paolo Coghe

Three quarters of all district heating in Poland comes from burning coal. So the country is looking for ways to reduce this. It’s why subsidies are provided for combined heat and power (CHP) plants that burn either coal, gas or biomass, which all have lower emissions. But a report by IEEFA authored by Gerard Wynn, Arjun Flora and Paolo Coghe says that waste heat recovery (WHR) – currently unsubsidised – is both emissions free and can be … [Read more...]

Filed Under: Buildings, Energy Tagged With: biomass, CHP, coal, DistrictHeating, gas, heat, Poland, policies, steel, subsidies, wastewater, WHR

Investing for tomorrow, because Energy subsidies will decline 25% by 2050 – analysis

May 8, 2020 by Michael Taylor

IRENA has modelled energy subsidies to 2030 and 2050 for their pathway to meet the Paris targets. Here, Michael Taylor summarises their findings. Firstly, they estimate today’s global direct energy sector subsidies to be $634bn/year (2017 figures). The vast majority, $447bn, went to fossil fuels. (By the way, he points out that none of these figures include the externality costs - pollution, healthcare, environment - which equate to trillions and … [Read more...]

Filed Under: Energy, Investment, Policies Tagged With: buildings, efficiency, electricity, EVs, heat, HVAC, Nuclear, power, renewables, subsidies

Green Ammonia can replace fossil fuel storage at scale

April 20, 2020 by Ian Wilkinson

What’s the best way to store energy, from industry scale to electric vehicles, replacing the widespread use of fossil fuels? Pure hydrogen is an energy dense alternative, but the gas takes up a lot of space. Liquid ammonia doesn’t, yet it contains the hydrogen and therefore the energy. Ian Wilkinson at Siemens explains the advantages of using ammonia, NH3. Already the world produces 180m tonnes a year, worth €80bn. It’s mainly for agricultural … [Read more...]

Filed Under: Alternative fuels, Energy, Innovations, Platform, Promoted content Tagged With: ammonia, batteries, heat, hydrogen, industry, storage, transport

Biogas and Biomethane’s untapped potential across the world

March 27, 2020 by IEA

The IEA’s World Energy Outlooks have no doubt that electrification alone cannot meet our climate goals. That’s why natural gas continues to play a major role. But biogas and biomethane have the potential to replace 20% of that gas, says the IEA’s special report “Outlook for biogas and biomethane: Prospects for organic growth”. At present only a fraction of that is being utilised. Here the IEA summarises their comprehensive report. Costs are the … [Read more...]

Filed Under: Biofuels, Biogas, Energy Tagged With: agriculture, biogas, biomethane, emissions, gas, heat, industry, waste

Most read this week

  • Make Hydrogen in developing nations: share prosperity while meeting our climate goals by Dolf Gielen | posted on January 26, 2023
  • Utah: 140MW Geothermal bid can beat the cost and performance of the proposed Nuclear SMR by Dennis Wamsted | posted on January 27, 2023
  • Biofuel is approaching a feedstock crunch. How bad? And what must be done? by IEA | posted on January 23, 2023
  • 10 Carbon Capture methods compared: costs, scalability, permanence, cleanness by Ella Adlen | posted on November 11, 2019
  • Concrete: 8% of global emissions and rising. Which innovations can achieve net zero by 2050? by Ben Skinner | posted on January 24, 2023
  • Can Aluminium-air batteries outperform Li-ion for EVs? by Helena Uhde | posted on September 8, 2021
  • EU ETS and CBAM: what the big update to emissions trading rules means for Europe’s key sectors by Simon Göss | posted on January 16, 2023
  • Micro-nuclear reactors: up to 20MW, portable, safer by Christina Nunez | posted on April 22, 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
  • Smart Glasses: experts can monitor and advise on power plant inspections anywhere in the world by Christoph Gatzen | posted on January 25, 2023
  • Gravity Batteries: any nation can do it at scale using rocks by Simon Read | posted on July 27, 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
  • Why hydrogen fuel cell cars are not competitive — from a hydrogen fuel cell expert by Zachary Shahan | posted on June 17, 2016
  • The 10 big problems with simply replacing fossil cars with electric by Schalk Cloete | posted on December 6, 2021
  • Europe needs a Regional Green Bank to fulfil its Green Deal and match the U.S. by Esmeralda Colombo | posted on January 20, 2023
  • How to sell Heat Pumps to the public in Europe by Helena Uhde | posted on January 19, 2023
  • The U.S. should support the EU’s Carbon Border Adjustment Mechanism (CBAM) by Joseph Majkut | posted on January 30, 2023
  • Critical Raw Materials for the energy transition: Europe must start mining again by Frank Umbach | posted on January 10, 2022
  • 2023 lookahead for Sustainable Finance: EU Taxonomy, ESG ratings, corporate disclosure laws, Europe’s “IRA” by Luca Bonaccorsi | posted on January 12, 2023

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      Recent Posts

      Wind (and Solar) need their own Financial Transmission Rights to hedge their unique congestion risks

      The U.S. should support the EU’s Carbon Border Adjustment Mechanism (CBAM)

      Utah: 140MW Geothermal bid can beat the cost and performance of the proposed Nuclear SMR

      Make Hydrogen in developing nations: share prosperity while meeting our climate goals

      Smart Glasses: experts can monitor and advise on power plant inspections anywhere in the world

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