The hottest Energy Efficiency Substack posts right now

And their main takeaways
Top Technology Topics
The Honest Broker Newsletter β€’ 274 implied HN points β€’ 16 Feb 24
  1. Setting clear goals is crucial for progress, even if there are debates around the specifics. Policies should focus on addressing the root causes of issues, not just consequences.
  2. Decarbonization of the economy can happen through improving energy efficiency and transitioning to low-carbon energy sources. These are essential to meet atmospheric carbon dioxide targets.
  3. Efforts to reduce carbon emissions should consider the balance between economic growth and environmental impact. Decarbonizing energy supply is crucial for significant progress.
The Asianometry Newsletter β€’ 1522 implied HN points β€’ 28 Jun 23
  1. Human brain uses less energy than computers for similar tasks like running neural networks
  2. Silicon photonics can improve energy efficiency in running neural networks by replacing electrical connections with light-based ones
  3. Photonic meshes have potential for great power efficiency, but face challenges in accuracy and scalability
Sustainability by numbers β€’ 208 implied HN points β€’ 26 Sep 23
  1. Aviation contributes around 3% of global emissions and is a challenging sector to decarbonize.
  2. Global passenger demand for flying has quadrupled since 1990.
  3. Future aviation emissions will depend on changes in demand, energy efficiency improvements, and adoption of low-carbon technologies.
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Sustainability by numbers β€’ 261 implied HN points β€’ 07 Aug 23
  1. Heat pumps are around 4 times more efficient than gas boilers, reducing heating emissions close to zero.
  2. Switching to heat pumps reduces gas demand even if all electricity comes from gas, making them effective in cutting emissions.
  3. Heat pumps are much more efficient than hydrogen for heating, requiring far less electricity to operate.
Volted: Electrify your Life β€’ 98 implied HN points β€’ 12 Dec 23
  1. Installing high-efficiency heat pumps can lead to significant cost savings on heating bills.
  2. Engaging HVAC contractors and providing them with incentives and training is crucial for boosting heat pump adoption.
  3. Streamlining financing options through instant rebates and zero-interest loans can help make heat pumps more accessible to consumers.
Sustainability by numbers β€’ 188 implied HN points β€’ 15 Sep 23
  1. Fully switching to electric cars in the UK would increase electricity demand by around one-quarter.
  2. Transitioning all road transport to electric would lead to a 40% increase in electricity demand in the UK.
  3. Shifting to electric transport significantly reduces overall energy demand due to the higher efficiency of electric vehicles compared to petrol and diesel vehicles.
Warming Up to Climate Tech β€’ 58 implied HN points β€’ 25 Apr 23
  1. Home electrification can help reduce carbon emissions by switching to electric-powered appliances and adopting cleaner energy sources.
  2. Electric appliances are more energy-efficient and cost-effective compared to fossil fuel appliances, saving money and reducing carbon emissions.
  3. Government incentives, like rebates and tax credits, encourage home electrification and promote the adoption of clean energy technologies.
Anima Mundi β€’ 20 implied HN points β€’ 03 Jul 23
  1. Steering towards a Low Heat Economy involves understanding the impact of heat emissions from industries and cities on the environment.
  2. To build a Low Heat Economy, we need to focus on using alternative energy sources like solar and wind power to reduce heat emissions.
  3. Adopting circular economy principles and sustainable practices in agriculture are essential steps towards achieving a Low Heat Economy.
Spatial Web AI by Denise Holt β€’ 1 HN point β€’ 29 Jan 24
  1. Deep Learning has limitations that need to be addressed, according to experts at Davos 2024. AI systems need to enhance world models and prioritize energy efficiency.
  2. Friston and LeCun differ in their approaches to AI, highlighting the need for progress in developing human-like intelligence in machines.
  3. Real learning requires agency, active inference, and a focus on world models. VERSES AI presents a pathway to scalable, intelligent systems with sustainable energy use.
Spatial Web AI by Denise Holt β€’ 0 implied HN points β€’ 23 Aug 23
  1. The future of AI is moving towards shared, distributed intelligence where diverse nodes contribute to a collective system.
  2. Active Inference AI, based on the Free Energy Principle, mimics biological intelligence by updating internal models to minimize surprise and uncertainty, enabling more efficient learning.
  3. The VERSES AI whitepaper proposes a revolutionary approach to AI focusing on explainable, energy-efficient, and scalable intelligence, validated by recent neuroscience breakthroughs.
The Green Techpreneur β€’ 0 implied HN points β€’ 09 Jun 23
  1. Small companies are key drivers of climate innovation, leading with new technologies and ideas.
  2. Consumer preference and regulatory pressure are pushing large organizations towards sustainability and ESG impact.
  3. Investors are increasingly focused on environmental metrics and seeking sustainable investment opportunities.
2050 β€’ 0 implied HN points β€’ 27 Mar 23
  1. By 2050, every home in the UK should be as energy efficient as possible by minimizing energy usage for heating.
  2. Not every home may reach the highest energy efficiency ratings due to factors like age and build design, so focus on incremental improvements.
  3. To advance energy efficiency, consider policy requirements tied to housing tenures to drive investments and increase market demand.
Splitting Infinity β€’ 0 implied HN points β€’ 25 Aug 23
  1. Proteins can be used in nanotechnology for various functions like constructing structures and manipulating light.
  2. Designing peptides separately for specific roles can speed up the protein design process by reducing costs and enhancing iteration capabilities.
  3. Combining specialized peptides into modular proteins offers new functionalities like staining cancer cells or filtering specific molecules from wastewater.
Equal Ventures β€’ 0 implied HN points β€’ 12 Aug 20
  1. Consumer consciousness around sustainable consumption is increasing, with some willing to pay more for green energy.
  2. State and municipal policies are driving regulatory changes focused on energy efficiency and renewable energy.
  3. There is growing interest and funding in environmental, social, and governance initiatives in the capital markets, particularly in ESG-focused funds.
Computerspeak by Alexandru Voica β€’ 0 implied HN points β€’ 26 Jan 24
  1. AI is contributing to a rise in energy demand, leading to challenges like increased electricity consumption and the unexpected need to delay closing coal-fired power plants in some areas.
  2. Investments in renewable energy are on the rise, with more funds now going into clean energy projects compared to traditional fossil fuels, showcasing a positive shift towards sustainability.
  3. Researchers are exploring spiking neural networks inspired by the brain's efficiency to reduce the energy footprint of AI, potentially opening doors to new applications like long-range search and rescue, prosthetics, and edge computing.
cleanenergyreview β€’ 0 implied HN points β€’ 28 May 24
  1. Lower upfront costs for an efficient electrolysis system may not always lead to overall cost-effectiveness compared to a more expensive system that is cheaper to run over time.
  2. The choice between efficient yet expensive electrolysis systems and cheaper but less energy-efficient ones is influenced by factors like energy costs, utilization rates, and capital investments.
  3. The growing focus on green hydrogen production, powered by renewable energy sources like wind and solar, is reshaping the energy landscape by making low-cost electrolysis approaches increasingly competitive.