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Solar PV windows on highly glazed skyscrapers can cut energy by 40%+

November 30, 2022 by Wayne Hicks

Around a third of the world’s energy consumption and CO2 emissions come from buildings. Highly glazed skyscrapers and buildings may look beautiful and let in plenty of light, but waste a lot of energy due to the extra cooling needed in summer and heating in winter. Modern skyscrapers can have window-to-wall ratios of 70%+. But modern thermally efficient photovoltaic windows not only provide insulation but turn the absorbed light into power. Wayne … [Read more...]

Filed Under: Buildings, Energy Tagged With: buildings, efficiency, emissions, generation, innovation, insulation, PV, rooftop, skyscrapers, windows

Grid Distribution Systems: access to usage data is uncovering the optimal design for future electrification

July 18, 2022 by Meredith Fowlie

The more efficient a distribution grid is, the less likely other potential supply bottlenecks (from lithium for batteries to trained electricians) will slow the transition to greater and greater electrification. State-of-the-art modelling of future grids is already happening, but the robust modelling of the distribution system is conspicuously missing because good data are notoriously hard to find, says Meredith Fowlie at UC Berkeley’s Energy … [Read more...]

Filed Under: Energy, Grids Tagged With: buildings, charging, costs, data, Distribution, electrification, EVs, grids, HVAC, rooftop, SmartCharging, solar

Latest U.S. modelling shows Battery Storage can support an 80% Renewables grid by 2050

May 18, 2022 by Madeline Geocaris

NREL’s latest Storage Futures Study concludes that battery storage should be able to support an 80% renewables grid mix in the U.S. by 2050. Madeline Geocaris at NREL explains how they modelled hundreds of future scenarios to accurately represent the value of diurnal (<12 hours) battery energy storage. The high-storage scenarios made different cost and performance assumptions for storage, wind, solar PV, and natural gas. 15 storage … [Read more...]

Filed Under: Energy, Storage Tagged With: batteries, buildings, costs, distributed, diurnal, gas, lithium, modelling, PV, rooftop, scenarios, solar, storage, US, wind

U.S. Solar breaks new records. What’s needed to keep the momentum?

May 10, 2022 by John Rogers

The latest available data reveals it’s been a record breaking 2021 for U.S. solar. John Rogers at UCS runs through the highlights. Solar passed the 100GW milestone, with 23.6GW newly installed, up 19% on 2020 and 77% up on 2019. Solar was the biggest source of new electric generating capacity for the third year in a row. Residential, non-residential and utility-scale all performed well. Across the nation, solar accounted for 3.9% of total … [Read more...]

Filed Under: Energy, Renewables Tagged With: California, costs, electricity, Illinois, Indiana, policies, residential, rooftop, solar, Texas, US, Utility, Virginia

Piloting peer-to-peer electricity markets in China and the EU

April 29, 2022 by Helena Uhde

Peer-to-peer (P2P) electricity trading is being promoted, to varying degrees, in both the EU and China. It allows individual citizens and businesses to produce and trade their own solar power (local, rooftop), while enabling the close-to-real-time balancing of supply and demand to maintain system stability. Helena Uhde at the ECECP gives an insight into the current status, implementation, regulations and policies in both regions. She cites two … [Read more...]

Filed Under: Energy, Grids Tagged With: China, electricity, EU, Germany, Henan, Landau, markets, P2P, policies, regulations, rooftop, solar, stability, trading

Grid-scale modelling of Distributed Energy Resources and dynamic pricing for all customers

February 7, 2022 by James Conca

Smart grids can solve multiple problems now and throughout the lifetime of the energy transition. The supply from hundreds (existing + new wind, solar, etc.) and ultimately millions (rooftop solar, EV batteries) of power sources can be matched in real time with demand from all major customer devices (air conditioners, water heaters, batteries, EVs). Dynamic pricing keeps the peaks low and the troughs high. It takes the pressure off total load, … [Read more...]

Filed Under: Energy, Grids Tagged With: AI, batteries, dynamic, ERCOT, EVs, grids, HVAC, modelling, PNNL, pricing, rooftop, Shanghai, smart, solar, Spokane, Stem, storage, Texas, US, wind

Distributed Energy Resources and Smart Grids: an opportunity or a distraction?

November 23, 2021 by Doyob Kim and Alyssa Fischer

Distributed Energy Resources (DERs) are poorly understood by the utilities, explain Doyob Kim and Alyssa Fischer at the IEA. Part of the problem is that new innovations and solutions are coming fast, and policy-makers aren’t creating the incentives and frameworks to make them an imperative. But, done right, the successful integration of DERs into the grid will accelerate electrification, address grid stability, and reduce spending on expensive … [Read more...]

Filed Under: Energy, Grids, Smartgrids Tagged With: batteries, DERs, Digitalisation, electrification, EVs, grids, infrastructure, rooftop, smartgrids, solar, stability, VPPs

Compact voltage converters for integrating new DERs into the grid

October 20, 2021 by NREL

The switches and converters needed to plug new clean energy technologies into the grid are going to be needed soon. The cheaper and smaller they are, the easier it will be to cope with the wide range of solutions coming down the pipe. NREL and its partners are building a megawatt-scale prototype converter that could fit the bill. They will be 1/5th the size and 1/10th the weight of existing alternatives: small enough to place almost anywhere. … [Read more...]

Filed Under: Energy, Grids Tagged With: batteries, biomass, converters, EVs, grids, Microgrids, protection, rooftop, solar, stability, storage, switches, transformers, voltage, WasteHeat

Surging U.S. renewables on track to take 30% market share by 2026

October 19, 2021 by Dennis Wamsted and Seth Feaster

While the U.S. Congress debates whether backing the transition is a winning strategy, the energy sector is clearly showing the nation’s direction of travel. Dennis Wamsted and Seth Feaster at IEEFA look at the impressive growth of the clean energy champions, wind and solar. Since 2019, wind and utility-scale solar generation has risen by 76 TWh — a 31% increase — while coal and gas has fallen by 1.6%. By 2026, wind and utility-scale solar will … [Read more...]

Filed Under: Energy, Renewables Tagged With: coal, electricity, gas, grids, hydro, renewables, rooftop, solar, transition, US, wind

Next German government’s climate and energy plans: what will Olaf Scholz do?

October 4, 2021 by Kerstine Appunn and Benjamin Wehrmann

Olaf Scholz led Germany's Social Democrats (SPD) to an unexpected win in the 2021 elections held in September. He now needs to finalise a coalition with the Green Party and the pro-business FDP before forming a government and becoming chancellor. Like his predecessor Angela Merkel, Scholz has said he wants to become a "climate chancellor". Kerstine Appunn and Benjamin Wehrmann at Clean Energy Wire try to understand what his climate and energy … [Read more...]

Filed Under: Energy, Policies Tagged With: CarbonPrice, carmakers, chancellor, Climate, CoalExit, emissions, Energy, EVs, finance, Germany, grids, renewables, rooftop, Scholz, solar, SPD, sustainable, transport, wind

Community Scale Solar plugs the gap between “rooftop” and utilities

April 30, 2019 by Laurie Stone

Rooftop residential and utility solar exist at two ends of the scale. Is there a sweet spot between those two that can capture the advantages of small-scale (no transmission loss, grid resilience through distribution) and large (economies of scale, easy to invest in)? Yes, reports Laurie Stone of the Rocky Mountain Institute, and it’s being called Community-Scale Solar. More than a sweet spot, it can reach communities underserved by rooftop solar … [Read more...]

Filed Under: Energy, Innovations, Renewables Tagged With: Arch Electric, Climate Collaborative, Dr. Bronner’s, electricity, OneEnergy Renewables, rooftop, solar, UMMEG, US

Most read this week

  • Critical Minerals: will there be enough to meet the 2050 net-zero emissions target? by Lilly Yejin Lee | posted on March 14, 2023
  • U.S. IRA: what can Europe do to stop its firms relocating to America? by Charles Wessner | posted on March 17, 2023
  • Germany: does the LNG infrastructure build-up deliver energy security or go too far? by Julian Wettengel | posted on March 13, 2023
  • Blending Hydrogen into the gas network: the challenges of pipeline fractures, faster flow rate + more by NREL | posted on March 10, 2023
  • 10 Carbon Capture methods compared: costs, scalability, permanence, cleanness by Ella Adlen | posted on November 11, 2019
  • Fulfilling U.S. wind and solar ambitions will use under 1% of its land (that’s less than the fossil fuel footprint) by Steve Clemmer | posted on March 16, 2023
  • What is the future of Woody Biomass in the EU energy mix? by Simon Göss | posted on March 21, 2023
  • Analysis: U.S. IRA subsidies put two-thirds of Europe’s battery production pipeline at risk by Transport & Environment | posted on March 9, 2023
  • Micro-nuclear reactors: up to 20MW, portable, safer by Christina Nunez | posted on April 22, 2021
  • What’s best for Hydrogen transport: ammonia, liquid hydrogen, LOHC or pipelines? by Herib Blanco | posted on May 5, 2022
  • Buildings “Energy Performance Certificates”: piloting new tools to ramp up renovations by Patricia Contreras Tejada | posted on March 20, 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
  • 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
  • “Combustion” can make cathodes for lithium-ion batteries more cheaply, quicker, using less energy by Nancy Stauffer | posted on March 15, 2023
  • Hydrogen’s innovation pipeline: signals strong ahead of World Hydrogen Summit in Rotterdam, May 9-11, 2023 by Ian Shine | posted on March 21, 2023
  • The 10 big problems with simply replacing fossil cars with electric by Schalk Cloete | posted on December 6, 2021
  • Germany is developing a strategy for Carbon Capture and Storage to meet its 2045 net zero target by Simon Göss | posted on February 23, 2023
  • Gravity Batteries: any nation can do it at scale using rocks by Simon Read | posted on July 27, 2022
  • Can Aluminium-air batteries outperform Li-ion for EVs? by Helena Uhde | posted on September 8, 2021
  • Electricity Market Design: how can reforms accelerate the transition and help cut energy prices? by Simon Göss | posted on February 13, 2023

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        Recent Posts

        What is the future of Woody Biomass in the EU energy mix?

        Hydrogen’s innovation pipeline: signals strong ahead of World Hydrogen Summit in Rotterdam, May 9-11, 2023

        Buildings “Energy Performance Certificates”: piloting new tools to ramp up renovations

        U.S. IRA: what can Europe do to stop its firms relocating to America?

        Fulfilling U.S. wind and solar ambitions will use under 1% of its land (that’s less than the fossil fuel footprint)

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