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Mark Z. Jacobson

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Mark Zachary Jacobson is a professor of civil and environmental engineering at Stanford University and director of its Atmosphere/Energy Program.… more

Mark Z. Jacobson
H-index: 116
Environmental science 27%
Public Health 16%
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by Mark Z. Jacobson

by Mark Z. Jacobson

mzjacobson.bsky.social
World Nearing 'Crucial Turning Point' as Clean Energy Outpaces Demand - @newsweek.com

1st half of 2025 brought a small tipping point in the global energy system: @ember-energy.org

Clean sources grew more than demand and therefore they displaced some fossil fuels

www.newsweek.com/world-nearin...
World nearing 'crucial turning point' as clean energy outpaces power demand
Energy research group Ember said the global surge in clean energy more than met demand for electricity and led to the first fall in fossil fuel use this year.
www.newsweek.com
9 20

by Mark Z. Jacobson

mzjacobson.bsky.social
UK prime minister K. Starmer’s new partnership with US president Trump ushers in 'a golden age of nuclear'

But, 'Each year, nuclear adds as much net global power capacity as renewables add every two days'

www.newcivilengineer.com/opinion/a-go... @drpauldorfman.bsky.social @stephenjwt.bsky.social
A ‘Golden Age’ of nuclear? | New Civil Engineer
The reason is simple. Nuclear costs are huge and rising and significant delays are the norm. The result is that nuclear power faces the same fundamental
www.newcivilengineer.com
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by Mark Z. Jacobson

Reposted by: Mark Z. Jacobson

christianonre.bsky.social
1/ New research @lut.fi presents the first global analysis of inter-annual storage for #100RE systems in 145 regions doi.org/10.1016/j.ap.... Strategic generation overcapacity is a significantly more cost-effective solution than building massive storage.
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Reposted by: Mark Z. Jacobson

by Fatih Birol — Reposted by: Mark Z. Jacobson

Reposted by: Mark Z. Jacobson

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

mzjacobson.bsky.social
New record battery output of 47.2 GWh on the California ISO grid on Sun 10/5/25. 9.2% of all demand was met by batteries.

Now 191 days of 2025 with > 100% WWS for part of day.

Gas is down 18% v '24, 37% v '23
Solar up 15% v '24, 45% v '23
Demand down 1.7% v' 24, 1% v '23 despite more AI
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by Mark Z. Jacobson

mzjacobson.bsky.social
Mitsubishi debuts 640 kW industrial/commercial heat pump providing hot water up to 90 C and coefficient of performance of up to 4.1 (4.1 units of heat delivered for every 1 unit of electricity used). Can be used for district heating too.

www.pv-magazine.com/2025/10/06/m...
Mitsubishi debuts 640 kW heat pump providing hot water up to 90 C
The ETI-W heat pump, with a coefficient of performance of up to 4.1, utilizes heat emitted from factory production processes as a heat source to supply hot water at up to 90 C. Debuting on the Japanes...
www.pv-magazine.com
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by Mark Z. Jacobson

Reposted by: Mark Z. Jacobson

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

mzjacobson.bsky.social
Wind-Water-Solar pushing out gas in California

Fossil gas down 17.4% year to date in 2025 v '24 and down 37.4% v '23

Wind up 2.1% v '24 and 5.1% v '23
Solar up 15.1% v '24 and 44.8% v '23
Batteries up 58.4% v '24 and 206.4% v '23

Demand down 1.4% v '24 and 1% v '23
4 51 210

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson, Juan Cole

mzjacobson.bsky.social
A transition to 100% Wind-Water-Solar across all energy sectors in the U.S. requires only 35% of the land used for energy by fossil fuels and biofuels today.

It is current energy that is hogging land. Renewables reduce land use.

www.youtube.com/shorts/ccu-Q...
Busting a myth on how much land is needed for the U.S. to run on 100% renewables vs fossil+biofuels
YouTube video by Mark Z. Jacobson
www.youtube.com
4 31 72

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

by Mark Z. Jacobson

mzjacobson.bsky.social
World's largest floating offshore wind turbine - 16 MW - unveiled in China.

"The system will generate about 44.7 million kWh of electricity per year, once fully operational. This is more than enough to power approximately 4,000 average US households."

interestingengineering.com/energy/world...
World's largest floating offshore wind turbine unveiled in China
China has recently unveiled the world's largest floating wind turbine which will be able to power over 4,000 homes each year.
interestingengineering.com
8 23 83

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

Reposted by: Mark Z. Jacobson

christianonre.bsky.social
1/ New @lut.fi research assesses geopolitical risks associated with 190 countries for sustainable energy trade in future doi.org/10.1016/j.se.... Each country is given a geopolitical risk score based on resilience, institutional quality, conflicts, and business
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Reposted by: Mark Z. Jacobson

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

mzjacobson.bsky.social
France sets 1.5-GW Normandy offshore wind at €66/MWh

energiesmedia.com/france-sets-...
France sets 1.5-GW Normandy offshore wind at €66/MWh
France has announced that a consortium of companies led by French energy giant, TotalEnergies, has completed the purchase of the Normandy offshore wind project.
energiesmedia.com
1 14 62

by Mark Z. Jacobson

by Mark Z. Jacobson

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

mzjacobson.bsky.social
To accompany the video, here's the tonnage of fossil fuels versus precious metals mined today.
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by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

mzjacobson.bsky.social
Busting another myth. This one on how much mining is needed for fossil fuels versus renewables.

We will need orders of magnitude fewer mines and orders of magnitude less mined material in a clean, renewable energy world.

www.youtube.com/shorts/8NZ0E...
Busting a myth about how much mining is needed for fossil fuels versus renewables
YouTube video by Mark Z. Jacobson
www.youtube.com
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by Mark Z. Jacobson — Reposted by: Mark Z. Jacobson

Reposted by: Mark Z. Jacobson

Reposted by: Mark Z. Jacobson

protect-democracy.bsky.social
California has made great strides in clean energy, but what's the outlook for the future? Experts discuss the impact of state policies and economic trends.

greenearthinsights.substack.com/p/can-califo...
Can California Maintain Its Clean-Energy Momentum?
As the Trump Administration tries to undermine clean power, many green projects in California are receiving a boost from state policies and market forces.
greenearthinsights.substack.com
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