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Steve Pye

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...

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Economy

Mega IPOs Like SpaceX and OpenAI Could Reshape S&P 500 and Nasdaq 100 Portfolios in 2026

Large mutual funds and passive index funds are increasing cash reserves and preparing to reduce exposure to existing large-cap stocks ahead of several expected blockbuster IPOs in 2026, including SpaceX, OpenAI, and...

South Korea Central Bank Holds Interest Rates Steady Amid Inflation Concerns

The Bank of Korea (BOK) kept its benchmark interest rate unchanged at 2.5% on Thursday, matching market expectations as policymakers remain cautious about rising inflation risks and global economic uncertainty linked to...

Canada and Germany Advance Major LNG Supply Partnership

Canada and Germanys state-owned energy company SEFE have announced a new liquefied natural gas (LNG) agreement, marking a significant step in strengthening Europes energy security and expanding Canadas global energy...

U.S. Launches New Strikes on Iran as Trump Signals Peace Deal Uncertainty

The United States carried out fresh military strikes against Iran on Wednesday evening, according to Reuters, intensifying tensions in the Middle East despite ongoing discussions about a possible ceasefire agreement. The...

Oil Prices Jump After New U.S. Strikes on Iran Raise Supply Concerns

Oil prices climbed sharply during early Asian trading on Thursday after reports emerged that the United States launched another military strike on Iran, increasing fears of further disruption to global crude supplies and...

Politics

Baltic Drone Incidents Raise NATO Security Concerns

Recent Ukrainian drone incursions into Baltic airspace have increased regional tensions and raised new concerns about NATO security near Russias borders. The incidents come as Ukraine intensifies long-range drone attacks...

U.S.-China Taiwan Conflict Could Trigger Nuclear Escalation, IISS Warns

A potential military conflict between the United States and China over Taiwan could escalate into a nuclear confrontation, according to a new report released by the International Institute for Strategic Studies (IISS). The...

Hamas Commander Mohammad Odeh Killed in Gaza as Israel Intensifies Campaign

Israels military campaign in Gaza escalated further after Hamas armed wing chief Mohammad Odeh was killed in an Israeli airstrike in Gaza City. The targeted strike came just days after the death of senior Hamas commander...

U.S. Reinstates Sanctions on U.N. Expert Francesca Albanese Amid Legal Battle

The United States has officially restored sanctions against Francesca Albanese, the United Nations special rapporteur on the Palestinian territories, according to an updated notice published by the U.S. Treasury Department...

US Tightens Ebola Controls as Congo Outbreak Sparks Global Concern

The United States has announced stricter measures to prevent Ebola cases from entering the country as the deadly outbreak in the Democratic Republic of Congo (DRC) continues to worsen. The World Health Organization (WHO)...

Science

Trump Administration Releases New UFO Files and Apollo Mission Records

The U.S. Defense Department has released dozens of previously classified UFO-related files following an order from President Donald Trump, sparking renewed debate over unidentified anomalous phenomena (UAP) and government...

China vs. NASA: The New Moon Race and What's at Stake by 2030

The space race is back and this time, its a direct competition between the United States and China for dominance on the lunar surface. NASAs Artemis II mission recently made history when four astronauts flew farther into...

NASA Artemis II: First Crewed Moon Mission Since Apollo Takes Four Astronauts on 10-Day Lunar Journey

NASAs Artemis II mission launched Wednesday, marking humanitys return to crewed lunar exploration for the first time since the Apollo era. Carrying four astronauts aboard the Orion spacecraft, this historic 10-day mission...

NASA's Artemis II Mission: First Crewed Lunar Journey Since Apollo

NASAs Artemis II mission launched Wednesday, marking humanitys return to crewed lunar exploration for the first time since the Apollo era. Carrying four astronauts aboard the Orion spacecraft, this historic 10-day mission...

NASA's Artemis II Crew Arrives in Florida for Historic Moon Mission

The four astronauts chosen for NASAs Artemis II mission have touched down at Kennedy Space Center in Florida, marking the beginning of final launch preparations for the first crewed lunar journey in over 50 years. NASA...

Technology

Marvell Stock Rises After Record Q1 FY2027 Earnings Fueled by AI Demand

Marvell Technology Inc. (NASDAQ: MRVL) posted stronger-than-expected first-quarter fiscal 2027 results, driven by booming demand for AI infrastructure and data center solutions. The semiconductor company reported record...

Snowflake Stock Soars 30% After Q1 Earnings Beat and Major AWS AI Partnership

Snowflake Inc. (NYSE: SNOW) delivered a strong first-quarter performance that surpassed Wall Street expectations, sending the companys stock soaring nearly 30% in after-hours trading. The cloud-based AI Data Cloud company...

Salesforce Q1 FY2027 Earnings Beat Expectations Despite Soft Q2 Revenue Outlook

Salesforce (NYSE: CRM) reported stronger-than-expected first-quarter fiscal 2027 earnings on Wednesday, driven by solid demand for its AI-powered enterprise solutions and continued growth in its cloud-based CRM business....

HP Q2 2026 Earnings Beat Expectations Despite Memory Chip Pressure

HP Inc. (NYSE: HPQ) reported stronger-than-expected fiscal second-quarter 2026 results, surpassing Wall Street estimates on both earnings and revenue. However, HP stock slipped slightly in after-hours trading as investors...

Synopsys Q2 FY2026 Earnings Beat Driven by AI and Semiconductor Demand

Synopsys (NASDAQ: SNPS) reported stronger-than-expected second-quarter fiscal 2026 earnings on Wednesday, fueled by rising demand for semiconductor design software and AI-powered engineering solutions. The electronic...
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