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Jero Ahola

@jeroahola.bsky.social
310 followers 180 following 159 posts

Professor of #energy #efficiency @UniLUT | Head of the Department of #Electrical Engineering | #electricity #solar #wind #hydrogen #PtX

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Jero Ahola @jeroahola.bsky.social · 07/08/2025
100,000 residential batteries in #California tested as one distributed power plant. #battery www.ess-news.com/2025/08/06/1...
ess-news.com
100,000 residential batteries in California tested as one distributed power plant - Energy Storage
A statewide test showed how California’s residential batteries could perform routinely when the sun is going down and the grid is challenged.
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Reposted by Jero Ahola
Christian Breyer @christianonre.bsky.social · 04/08/2025
1/ New @UniLUT & #HYGCEL research assesses infrastructure costs for e-methanol production in #Finland with dispersed resources. It compares transport costs of electricity, hydrogen, and CO2 - normalised to methanol doi.org/10.1016/j.en....
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Jero Ahola @jeroahola.bsky.social · 06/08/2025
Non-stop #solar #innovation despite module oversupply www.pv-magazine.com/2025/08/01/n...
pv-magazine.com
Non-stop solar innovation despite module oversupply
It’s no secret that prices throughout the solar supply chain have been at rock bottom over the past 18 months. Alex Barrows and Molly Morgan of CRU Group explore how the market reached the imbalance t...
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Jero Ahola @jeroahola.bsky.social · 03/08/2025
The #Hydrogen Stream: Trina sends first containerized hydrogen unit to Europe www.pv-magazine.com/2025/08/01/t...
pv-magazine.com
The Hydrogen Stream: Trina sends first containerized hydrogen unit to Europe
Trina Green Hydrogen has shipped a containerized megawatt-class electrolyzer to Europe, while Fotowatio Renewable Ventures has selected Envision to support a green ammonia project in Brazil.
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Jero Ahola @jeroahola.bsky.social · 31/07/2025
Peak Energy launches first U.S. #grid-scale #sodium-ion storage system. #battery www.ess-news.com/2025/07/30/p...
ess-news.com
Peak Energy launches first U.S. grid-scale sodium-ion storage system - Energy Storage
In a shared pilot with utilities and IPPs, Peak Energy’s passively cooled sodium-ion system targets a 20% lifetime cost drop and a 33% cut in degradation over 20 years.
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Jero Ahola @jeroahola.bsky.social · 30/07/2025
Työkoneiden #sähköistäminen #työkoneissa tai jopa metsätöissä ratkeaa esimerkiksi vaihtoakuilla tai tällaisilla konttiin laitetuilla akustoilla. Täysin sähköisten koneiden energiankulutus on murto-osa verrattuna diesel-hydraulisiin. #akku insideevs.com/news/767276/...
insideevs.com
Unassuming Black Box Can Charge EVs At Up To 400 kW With A Household Connection
It’s designed to fast-charge electric trucks, but it doesn’t require costly grid connections.
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Jero Ahola @jeroahola.bsky.social · 24/07/2025
Home #storage grows across Europe in first half of 2025 #battery www.pv-magazine.com/2025/07/23/h...
pv-magazine.com
Home storage grows across Europe in first half of 2025
Home battery demand was subdued in Germany and Italy in the first six months of 2025 but rose in Austria, France, the Netherlands, and the Czech Republic. One driver was falling prices, with EUPD Rese...
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Jero Ahola @jeroahola.bsky.social · 23/07/2025
Global average #solar LCOE stood at $0.043/kWh in 2024, says IRENA www.pv-magazine.com/2025/07/23/g...
pv-magazine.com
Global average solar LCOE stood at $0.043/kWh in 2024, says IRENA
The International Renewable Energy Agency's latest report finds little change in the global average levelized cost of electricity for utility-scale solar plants year-on-year, while the global average ...
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Jero Ahola @jeroahola.bsky.social · 22/07/2025
#China switches on its largest standalone #battery storage project www.pv-magazine.com/2025/07/21/c...
pv-magazine.com
China switches on its largest standalone battery storage project
With a capacity of 2 GWh, the four-hour storage system is described as the largest lithium iron phosphate energy storage project in the country.
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Jero Ahola @jeroahola.bsky.social · 19/07/2025
#German #battery storage reaches 22.1 GWh at halfway point of 2025" at www.ess-news.com/2025/07/18/g...
ess-news.com
German battery storage reaches 22.1 GWh at halfway point of 2025 - Energy Storage
Germany's battery storage capacity rapidly expands, nearing two million installations by the end of the first half of 2025.
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Jero Ahola @jeroahola.bsky.social · 19/07/2025
#Spain launches call for access to 3.68 GW of #grid capacity www.pv-magazine.com/2025/07/18/s...
pv-magazine.com
Spain launches call for access to 3.68 GW of grid capacity
The Spanish government has kicked off its first grid-access tender for 3,681 MW at eight transmission nodes across six regions, targeting areas with large-scale industrial demand.
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Jero Ahola @jeroahola.bsky.social · 18/07/2025
“Grid-forming technology is no longer experimental – it’s here and working”" #grid #battery www.ess-news.com/2025/07/07/g...
ess-news.com
“Grid-forming technology is no longer experimental - it’s here and working” - Energy Storage
In grids increasingly dominated by renewables, grid-forming technology is emerging as critical tool for maintaining stability and ensuring reliable power system operation. In this interview with ESS N...
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Jero Ahola @jeroahola.bsky.social · 14/07/2025
Enervis Battery Storage Index: Revenues reach record level in May 2025 #battery #grid www.ess-news.com/2025/06/26/e...
ess-news.com
Enervis Battery Storage Index: Revenues reach record level in May 2025 - Energy Storage
The index provides independent assessment of historical and potential revenues for large-scale battery energy storage systems (BESS).
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Jero Ahola @jeroahola.bsky.social · 13/07/2025
#Solar becomes #EU’s largest power source in June www.pv-magazine.com/2025/07/11/s...
pv-magazine.com
Solar becomes EU’s largest power source in June
Solar accounted for 22.1% of electricity generation in the European Union in June, as 13 member states set new records for the share of solar in their national power mixes.
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Jero Ahola @jeroahola.bsky.social · 03/07/2025
#Spain approves legislation to encourage #energy storage and flexibility" at www.ess-news.com/2025/06/25/s...
ess-news.com
Spain approves legislation to encourage energy storage and flexibility - Energy Storage
The Spanish government has approved legislation to strengthen its electricity system following the major power outage the country experienced in April.
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Jero Ahola @jeroahola.bsky.social · 01/07/2025
#UK rejects CfD bid for 10.5 GW Morocco solar-wind subsea #cable www.pv-magazine.com/2025/07/01/u...
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Jero Ahola @jeroahola.bsky.social · 28/06/2025
#Germany to introduce new product standard for plug-in #solar devices www.pv-magazine.com/2025/06/27/g...
pv-magazine.com
Germany to introduce new product standard for plug-in solar devices
The standard is intended to regulate basic safety requirements and testing. However, an international standard is currently being developed that reaches partially contradictory results. The German Com...
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Jero Ahola @jeroahola.bsky.social · 26/06/2025
In a world of low-cost batteries, performance matters #battery www.ess-news.com/2025/06/20/i...
ess-news.com
In a world of low-cost batteries, performance matters - Energy Storage
Oversupply of lithium-ion battery precursor and active materials – and of lithium iron-phosphate (LFP) batteries, especially in China – has driven energy storage system costs down, fueling a record 33...
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Reposted by Jero Ahola
Jan Rosenow @janrosenow.bsky.social · 23/06/2025
A HISTORIC MILESTONE: For the first time, solar power generated more electricity globally than nuclear, making it the world’s 4th largest power source. In just 5 years, solar output nearly tripled—from 79 TWh (Apr 2020) to 233 TWh (Apr 2025). The energy transition is speeding up. @ember-energy.org
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Jero Ahola @jeroahola.bsky.social · 16/06/2025
Here is our news about simultaneous #optimization of component dimensioning and system control of green #hydrogen production plant. This approach is essential to achieve low cost hydrogen. #electrolysis www.pv-magazine.com/2025/06/11/s...
pv-magazine.com
Simultaneous optimization of plant design, control unlocks cost-competitive green hydrogen
Achieving cost-competitiveness for green hydrogen produced via water electrolysis using intermittent renewable energy sources remains a significant challenge. Researchers from LUT University in Finlan...
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Jero Ahola @jeroahola.bsky.social · 16/06/2025
#Arctic #sea #ice volume is shrinking. Interesting to see where will be the minimum in mid September. #climate
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Jero Ahola @jeroahola.bsky.social · 16/06/2025
Mitsubishi debuts #EV #battery #swap network for cars AND trucks in Tokyo electrek.co/2025/06/14/m...
electrek.co
Mitsubishi debuts EV battery swap network for cars AND trucks in Tokyo
Mitsubishi is partnering with Ample and Yamoto Transports to deploy an innovative new battery swap network for electric cars in Japan.
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Jero Ahola @jeroahola.bsky.social · 07/06/2025
#Kaliforniassa purettiin akuista piikkitehona yli 10 GW #sähköverkkoon. #akku #aurinkosähkö www.ess-news.com/2025/05/28/c...
ess-news.com
Californian batteries set new output record - Energy Storage
Amid industry turmoil, California has been setting new benchmarks for the volume of instantaneous electricity injected into the grid by the state's battery and solar sites.
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Jero Ahola @jeroahola.bsky.social · 03/06/2025
Enervis #Battery Storage Index: Revenue growth continues in April" www.ess-news.com/2025/06/02/e...
ess-news.com
Enervis Battery Storage Index: Revenue growth continues in April - Energy Storage
The index provides independent assessment of historical and potential revenues for large-scale battery energy storage systems (BESS).
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Jero Ahola @jeroahola.bsky.social · 03/06/2025
GCL achieves 29.51% efficiency for perovskite-silicon tandem #solar module www.pv-magazine.com/2025/06/02/g...
pv-magazine.com
GCL achieves 29.51% efficiency for perovskite-silicon tandem module
GCL Optoelectronics has achieved 29.51% efficiency for its perovskite-silicon tandem solar module, with the result certified by China’s National Institute of Metrology.
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Jero Ahola @jeroahola.bsky.social · 02/06/2025
The good news: Cheaper batteries mean cheaper EVs. The bad news: China's battery costs are still dropping faster than ours. #battery #ev insideevs.com/news/761338/...
insideevs.com
EV Batteries Got 20% Cheaper Last Year
The good news: Cheaper batteries mean cheaper EVs, according to a new study from the International Energy Agency. The bad news: China is still moving faster.
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Jero Ahola @jeroahola.bsky.social · 01/06/2025
Unpacking the rationale behind low bids in the #EU green #hydrogen tender www.pv-magazine.com/2025/05/30/u...
pv-magazine.com
Unpacking the rationale behind low bids in the EU green hydrogen tender
BloombergNEF and Wood Mackenzie analysts spoke with <b>pv magazine</b> about the EU’s €992 million ($1.04 billion) hydrogen tender that drew record-low bids thanks to strong design incentives. They ou...
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Jero Ahola @jeroahola.bsky.social · 27/05/2025
U.S. defense research agency achieves #optical #power beaming record www.pv-magazine.com/2025/05/27/u...
pv-magazine.com
U.S. defense research agency achieves optical power beaming record
The Defense Advanced Research Projects Agency said a project team testing new optical wireless energy receiver technology was able to transfer 800 W of power to a receiver 8.6 km away in a 30 second t...
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Jero Ahola @jeroahola.bsky.social · 25/05/2025
System integration issues dominate BESS manufacturing defects in 2024, CEA reveals" #reliability #battery www.ess-news.com/2025/05/23/s...
ess-news.com
System integration issues dominate BESS manufacturing defects in 2024, CEA reveals - Energy Storage
Clean Energy Associates (CEA) reveals issues in fire detection and suppressions, along with auxiliary circuit panels, and thermal management defects, were key manufacturing problems encountered during...
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Jero Ahola @jeroahola.bsky.social · 24/05/2025
Tänään olikin vuorossa #kuusentaimien istuttamista vanhalle pellolle. Saa nähdä, että miten iso osa taimista selviää ensimmäisen kesän mesiangervojen ja nokkosten seassa. #metsä
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Jero Ahola @jeroahola.bsky.social · 23/05/2025
Tesla Hits A New Low In Europe As BYD Outsells It For The First Time #ev insideevs.com/news/760503/...
insideevs.com
Tesla Hits A New Low In Europe As BYD Outsells It For The First Time
Tesla used to be the best-selling EV brand in Europe. Now it’s not even in the top 10.
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Jero Ahola @jeroahola.bsky.social · 18/05/2025
Arrogance': How U.S. #Battery Inventions Supercharged China’s #EVs insideevs.com/news/759852/...
insideevs.com
‘Arrogance': How U.S. Battery Inventions Supercharged China’s EVs
We also discuss Nissan’s radical plan for a turnaround and Tesla’s request to Panasonic to increase U.S battery production.
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Jero Ahola @jeroahola.bsky.social · 16/05/2025
#Global PV dataset shows 2019-2022 data #solar www.pv-magazine.com/2025/05/16/g...
pv-magazine.com
Global PV dataset shows 2019-2022 data
Using Google Earth imagery and 2019-2022 Sentinel-2 datasets, Chinese scientists have developed a two-stage classification framework to obtain the annual global dataset of solar photovoltaic panels at...
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Jero Ahola @jeroahola.bsky.social · 13/05/2025
#China’s year-to-date #irradiance up 30% as aerosols drop www.pv-magazine.com/2025/05/09/c...
pv-magazine.com
China’s year-to-date irradiance up 30% as aerosols drop
In another weekly update for <b>pv magazine</b>, Solcast, a DNV company, reports that a significant reduction in airborne pollutants has contributed to year-to-date irradiance in some parts of China b...
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Jero Ahola @jeroahola.bsky.social · 11/05/2025
Renewables boss shocked by plunging price of #battery storage, and soaring cost of a #concrete slab reneweconomy.com.au/renewables-b...
reneweconomy.com.au
Renewables boss shocked by plunging price of battery storage, and soaring cost of a concrete slab
Tilt Renewables boss says battery costs are falling rapidly, but he is by shocked the rising cost of civil construction, like concrete slabs. It’s a major problem for the energy transition.
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Jero Ahola @jeroahola.bsky.social · 08/05/2025
#BYD's 5-Minute #EV megawatt #charging under testing. It works. insideevs.com/news/758625/...
insideevs.com
BYD's 5-Minute EV Fast Charging: We Tried It. It's A Game-Changer
BYD's new Megawatt charging proves that 5-minute charging stops are possible. And China will get there first.
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Jero Ahola @jeroahola.bsky.social · 08/05/2025
Enervis #Battery Storage Index: Revenues rise in March" at www.ess-news.com/2025/04/30/e...
ess-news.com
Enervis Battery Storage Index: Revenues rise in March - Energy Storage
The index provides independent assessment of historical and potential revenues for large-scale battery energy storage systems (BESS).
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Jero Ahola @jeroahola.bsky.social · 08/05/2025
Blaming #renewables for #Spain’s #blackout is like faulting the thermometer for the fever www.pv-magazine.com/2025/05/07/b...
pv-magazine.com
‘Blaming renewables for Spain’s blackout is like faulting the thermometer for the fever’
The recent blackout in the Iberian grid should not be interpreted as failure of renewables. But it did provide Europe with a sign the energy system is changing, shedding light on the necessity to gove...
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Jero Ahola @jeroahola.bsky.social · 02/05/2025
Will #Arctic #sea be without #ice cover in September 2025 for the first time in our history of observations?
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Jero Ahola @jeroahola.bsky.social · 01/05/2025
Is #solar really the root cause of #Spain’s massive power outage? www.pv-magazine.com/2025/04/30/i...
pv-magazine.com
Is solar really the root cause of Spain’s massive power outage?
Some media outlets have speculated that Spain’s April 28 blackout may have been caused by a disconnected solar plant, but DNV grid analyst Andrea Mansoldo tells <b>pv magazine</b> that it was likely d...
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Jero Ahola @jeroahola.bsky.social · 20/04/2025
#Longi achieves 34.85% efficiency for two-terminal tandem perovskite #solar cell www.pv-magazine.com/2025/04/18/l...
pv-magazine.com
Longi achieves 34.85% efficiency for two-terminal tandem perovskite solar cell
The result was confirmed by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL).
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Jero Ahola @jeroahola.bsky.social · 13/04/2025
British Steelin #terästehdas on ainut malmista terästä tekevä tehdas Briteissä. Syynä tehtaan sulkemiseen ovat päästöjen leikkaamisen kulut. #Vetypelkistykseen pitää investoida ja se tarvitsee halpaa, puhdasta #sähköä. Sama pohdinta on edessä Suomessa. www.hs.fi/maailma/art-...
hs.fi
Britannia | ”Melko ennennäkemätön toimenpide” – Britannia otti kiinalaisten terästehtaan hallintaansa
Lauantaina hyväksytty laki asettaa kiinalaisen teräsyhtiön johdon ja hallituksen Britannian hallinnon ohjaukseen.
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Jero Ahola @jeroahola.bsky.social · 11/04/2025
The battery electric #excavator features a 400 kW lithium #battery with battery swapping capability. The development of electric working machines is evolving toward products similar to e.g. Milwaukee's electric hand tools. electrek.co/2025/04/10/x...
electrek.co
This electric excavator has battery swap tech that lets it recharge in minutes [update]
The electric construction equipment experts at XCMG just released a new, 25 ton electric crawler excavator ahead of bauma 2025.
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Jero Ahola @jeroahola.bsky.social · 11/04/2025
Lockheed Martin developing vertical #solar arrays for the #Moon www.pv-magazine.com/2025/04/09/l...
pv-magazine.com
Lockheed Martin developing vertical solar arrays for the Moon
The defense and aerospace company’s vertical solar array technology (VSAT) reaches up to 19.8 m in length. Lockheed Martin says the technology is capable of providing continuous and sustainable power ...
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Jero Ahola @jeroahola.bsky.social · 10/04/2025
#Lithuania deploys 870 MW of #solar in 2024 www.pv-magazine.com/2025/04/09/l...
pv-magazine.com
Lithuania deploys 870 MW of solar in 2024
Lithuania added record solar capacity in 2024, pushing cumulative installations to nearly 2 GW, driven largely by residential systems and a favorable regulatory framework.
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Jero Ahola @jeroahola.bsky.social · 09/04/2025
Kymmenkunta vuotta sitten pohdittiin, että voiko #tuulivoimalan maksimiteho olla noin 10 megawattia. Nyt tehdään jo yli 20 MW turbiineja merelle. #teknologia #sähkö www.kauppalehti.fi/uutiset/maai...
kauppalehti.fi
Maailman suurimman tuulivoimalan asennus valmistui Tanskassa – Jättiläinen päihitti kiinalaiset kilpailijansa
Nähtäväksi jää, kuinka pitkään Siemens Gamesan voimala on maailman suurin, sillä kiinalainen Dongfang kehittää parhaillaan 26 megawatin yksikköä.
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Jero Ahola @jeroahola.bsky.social · 01/04/2025
Akunvaihtoon kykenevien raskaiden ajoneuvojen myynti kasvaa nopeasti #Kiinassa. Liikennöitsijät pystyvät hankkimaan ajoneuvon rungon ilman investointia kalliiseen akkuun. #raskasliikenne #rekka #sähkö
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Jero Ahola @jeroahola.bsky.social · 01/04/2025
#Tuulivoimainvestoinnit lähtivät käyntiin. OX2 rakentaa 472 MW lisää tuulivoimaa Pohjanmaalle. www.hs.fi/talous/art-2...
hs.fi
Energia | Suomeen nousee jättimäinen tuulivoimapuisto – investoinnin arvo 700 miljoonaa euroa
OX2 päätti Suomen tähän asti suurimmasta tuulivoimainvestoinnista. Yhteensä 700 miljoonan euron hankkeet kasvattavat Suomen sähkön tuotantoa noin kaksi prosenttia. Alueen kunnille on luvassa isot vero...
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Jero Ahola @jeroahola.bsky.social · 31/03/2025
Tämän #sähköauton #akku kesti lähes 600 tuhatta kilometriä. electrek.co/2025/03/30/t...
electrek.co
This Hyundai IONIQ 5 drove 360,000 miles on its original battery [video]
This Hyundai IONIQ 5 is rewriting the rules of EV longevity, going 360,000 miles on its original battery with DC charging (50,000 miles ago)!
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Jero Ahola @jeroahola.bsky.social · 30/03/2025
Full #electric excavator with a 400+ kWh #battery from China. Compared to #diesel excavator, a yearly fuel savings is estimated to be 30 k$. electrek.co/2025/03/29/s...
electrek.co
SANY electric excavator arrives in Europe with MASSIVE 422 kWh battery
Chinese manufacturer SANY says its new, SY215E 25 ton electric excavator offers all the power and performance of diesel at much lower cost.
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