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Steve Pye

Associate Professor in Energy Systems, UCL
Steve Pye is a Principal Research Associate in energy systems at the UCL Energy Institute, with over 10 years’ experience in the provision of climate and energy-related research and consultancy, particularly through the development and application of MARKAL/TIMES energy system models. His current research interests include exploration of low carbon transitions in the UK, focusing on exploring, characterising and communicating system uncertainty, using both the UKTM and ESME models, and assessing issues of equity under different transitions.

Steve has been involved in numerous modelling studies exploring long term energy pathways for UK Government and associated UK bodies, such as the UK Committee on Climate Change (CCC). This includes provision of MARKAL modelling for the 2006 Energy Review, 2007 Energy White Paper and 2008 Climate Change Act Impact Assessment. He has also been involved in building a range of models, including the UK MARKAL model, and the UK TIMES model. Prior to joining UCL, Steve gained extensive international energy modelling experience. Between 2009 and 2012, he worked on a range of large scale projects for USAID in the Balkan region, Asian Development Bank (ADB) in Pakistan and US DOE in the USA. All projects have focused on MARKAL/TIMES model development and analysis of long term sustainable energy pathways, with strong capacity building aspects.

Future of Russian gas looking bleak as Ukraine turns off taps and Europe eyes ending all imports

Jan 14, 2025 05:57 am UTC| Insights & Views Politics

Russias contract for the transit of its gas across Ukraine expired on December 31 last year and Kyiv refused to consider a new deal. Ukraines decision was supported by the European Commission, even though the lost imports...

The world no longer needs fossil fuels – and the UK could lead the way in making them taboo

Jun 18, 2024 05:22 am UTC| Insights & Views Economy

North Sea oil and gas has become a battleground issue in the UK general election. The Labour partys manifesto promises an end to issuing new licenses for finding oil and gas. The Conservative party meanwhile proposes a...

COP28 president is wrong – science clearly shows fossil fuels must go (and fast)

Dec 05, 2023 05:40 am UTC| Science

According to the president of COP28, the latest round of UN climate negotiations in the United Arab Emirates, there is no science indicating that phasing out fossil fuels is necessary to restrict global heating to...

France used 10% less electricity last winter – three valuable lessons in fighting climate change

Sep 19, 2023 00:45 am UTC| Economy

Measures which help people use less energy at home, while travelling or at work could significantly cut greenhouse gas emissions according to the UNs Intergovernmental Panel on Climate Change. When there is less demand for...

Economy

Russia Stocks End Flat as MOEX Closes Unchanged Amid Mixed Global Signals

Russian stocks finished Saturdays trading session slightly lower overall, with the benchmark MOEX Russia Index closing unchanged at 0.00% in Moscow. Market sentiment remained cautious as investors weighed mixed...

China Factory Activity Slips in January as Weak Demand Weighs on Growth Outlook

Chinas factory activity contracted at the start of the year, highlighting persistent pressure from weak domestic demand despite continued policy support from Beijing. An official survey released on Saturday showed that...

U.S. Government Faces Brief Shutdown as Congress Delays Funding Deal

The United States government was on track for a partial shutdown early Saturday after Congress failed to finalize a funding agreement before the midnight deadline. Although the U.S. Senate ultimately passed a bipartisan...

Gold and Silver Prices Plunge as Trump Taps Kevin Warsh for Fed Chair

Gold and silver prices suffered a dramatic selloff on Friday after President Donald Trump nominated former Federal Reserve Governor Kevin Warsh to replace Jerome Powell as Fed chair, easing fears about the central banks...

Wall Street Slides as Warsh Fed Nomination, Hot Inflation, and Precious Metals Rout Shake Markets

Wall Street ended Friday on a weaker note as risk-off sentiment dominated trading, driven by hotter-than-expected U.S. inflation data, a dramatic sell-off in precious metals, and major political developments surrounding...

Politics

Keir Starmer Urges Prince Andrew to Testify in U.S. Epstein Investigation

British Prime Minister Keir Starmer has called for former Prince Andrew to testify before a U.S. congressional committee following new revelations about his long-standing links to disgraced financier and convicted sex...

U.S. Government Enters Brief Shutdown as Congress Delays Funding Deal

The U.S. government entered a partial shutdown early Saturday after Congress failed to finalize a funding agreement before a midnight deadline, temporarily halting a range of federal operations. The shutdown officially...

Zelenskiy Awaits U.S. Details as Ukraine Prepares for Possible Peace Talks Next Week

Ukrainian President Volodymyr Zelenskiy said on Saturday that Ukraine is awaiting further information from the United States regarding upcoming peace talks, signaling that new diplomatic meetings could take place as early...

Minnesota Judge Rejects Bid to Halt Trump Immigration Enforcement in Minneapolis

A federal judge in Minnesota has declined to order an immediate halt to President Donald Trumps expanded immigration enforcement operation in Minneapolis, dealing a setback to state and local officials who accuse federal...

Venezuela Proposes Amnesty Law and Plans to Transform Helicoide Prison

Venezuelas interim president Delcy Rodríguez announced on Friday a proposed amnesty law aimed at releasing hundreds of prisoners and easing political tensions in the country. Speaking at an event held at the Supreme...

Science

NASA and SpaceX Target Crew-11 Undocking From ISS Amid Medical Concern

NASA has confirmed that the agency, in coordination with SpaceX, is targeting no earlier than 5 p.m. Eastern Time (2200 GMT) on Wednesday, January 14, for the undocking of the SpaceX Crew-11 mission from the International...

Neuralink Plans High-Volume Brain Implant Production and Fully Automated Surgery by 2026

Elon Musks brain-computer interface company Neuralink is preparing for a major expansion, announcing plans to begin high-volume production of its brain implant devices and transition to a fully automated surgical procedure...

Jared Isaacman Confirmed as NASA Administrator, Becomes 15th Leader of U.S. Space Agency

The U.S. Senate has officially confirmed billionaire private astronaut Jared Isaacman as the new NASA administrator, making him the 15th leader in the agencys history. The confirmation, which took place on Wednesday, marks...

Senate Sets December 8 Vote on Trump’s NASA Nominee Jared Isaacman

The U.S. Senate Commerce Committee announced it will vote on December 8 on President Donald Trumps renewed nomination of private astronaut and tech entrepreneur Jared Isaacman to lead NASA. Isaacman, known for his...

NASA Cuts Boeing Starliner Missions as SpaceX Pulls Ahead

NASA has significantly scaled back Boeings Starliner program after years of technical issues and delays, announcing that the next Starliner mission to the International Space Station (ISS) will fly without astronauts. The...

Technology

Elon Musk’s Empire: SpaceX, Tesla, and xAI Merger Talks Spark Investor Debate

Speculation around a potential Musk Inc has resurfaced as Elon Musks companiesSpaceX, Tesla, and xAIexplore closer ties amid rapid advances in artificial intelligence and automation. With SpaceX expected to go public later...

SpaceX Reports $8 Billion Profit as IPO Plans and Starlink Growth Fuel Valuation Buzz

SpaceX delivered a strong financial performance last year, generating an estimated $8 billion in profit on revenues between $15 billion and $16 billion, according to people familiar with the companys results. The figures,...

SpaceX Updates Starlink Privacy Policy to Allow AI Training as xAI Merger Talks and IPO Loom

SpaceX has revised its Starlink privacy policy to allow customer data to be used for artificial intelligence training, a move that could significantly support Elon Musks broader AI ambitions. The policy change comes as...

Nvidia’s $100 Billion OpenAI Investment Faces Internal Doubts, Report Says

Nvidias ambitious plan to invest up to $100 billion in OpenAI, aimed at supporting the training and operation of next-generation artificial intelligence models, has reportedly hit a roadblock. According to a report...

Federal Judge Signals Possible Dismissal of xAI Lawsuit Against OpenAI

A U.S. federal judge has signaled she may dismiss a high-profile lawsuit filed by Elon Musks artificial intelligence startup, xAI, against rival OpenAI, dealing a potential setback to Musk in an escalating legal battle...