Weather Intelligence for
Energy Markets

Turn weather volatility into confident energy market decisions.

High-resolution regional and global weather modelling, proprietary ensemble clustering, and direct access to experienced energy meteorologists – designed specifically for energy traders, risk managers, and market analysts.

Tornadic supercell in the American Plains

When Weather Becomes a Market Variable

Weather is not background information in energy markets, but a primary driver of load, renewable generation, hydrology, and price volatility.

Temperature shifts affect demand. Wind speeds determine renewable output. Precipitation changes reservoir balances. Large-scale weather systems influence fuel switching and cross-border flows.

Generic weather feeds are not enough. Market participants need forecasts that translate meteorological developments into clear implications for supply, demand, and price risk.

StormGeo’s Weather Intelligence does exactly that, combining advanced modelling with direct meteorologist interpretation to deliver decision-ready insight.

Key benefits

Built specifically for energy markets

Our meteorologists specialize in energy-relevant forecasting, connecting temperature, wind, and precipitation developments directly to load, generation, hydrology, and price impacts.

Proprietary ensemble clustering

StormGeo’s in-house clustering of ECMWF ensemble members improves probability assessment and reduces forecast noise, helping clients understand both likely outcomes and downside risks.

Human interpretation, not just models

Forecast outputs are continuously reviewed and explained by meteorologists, ensuring clarity around changing weather risks and scenario developments.

Integrated with Energy Analytics

Weather Intelligence can be delivered as a standalone service or integrated into Nordic, European, or long-term market analysis, ensuring consistent assumptions across time horizons.

Built specifically for energy markets

Our meteorologists specialize in energy-relevant forecasting, connecting temperature, wind, and precipitation developments directly to load, generation, hydrology, and price impacts.

Proprietary ensemble clustering

StormGeo’s in-house clustering of ECMWF ensemble members improves probability assessment and reduces forecast noise, helping clients understand both likely outcomes and downside risks.

Human interpretation, not just models

Forecast outputs are continuously reviewed and explained by meteorologists, ensuring clarity around changing weather risks and scenario developments.

Integrated with Energy Analytics

Weather Intelligence can be delivered as a standalone service or integrated into Nordic, European, or long-term market analysis, ensuring consistent assumptions across time horizons.

What You Get

High-resolution regional and global weather models.
Proprietary clustering of ECMWF ensemble members to improve signal clarity and probability interpretation.
Daily reports on global teleconnections and large-scale weather drivers.
45-day and 180-day outlooks for Europe and the United States.
Seasonal trend assessment.
Tailored weather briefings based on your market exposure and time horizon.
Direct access to energy meteorologists for discussion and scenario analysis.

Schedule time with our analysts or meteorologists

Speak directly with our team to discuss your market exposure, current challenges, and how our analysis can support your decisions.

Sigbjørn Seland

Chief Analyst

Sigbjørn Seland, Chief Analyst at StormGeo Energy Market Analysis, holds a Master of Science in Finance from NHH Bergen and the University of Mannheim, Germany. A former trader at Drammen Kraft AS, he is an expert in Nordic and European energy markets, with a focus on power and gas dynamics, energy trading, and the impact of weather on renewables. Sigbjørn Seland's insights have been featured in several prominent publications, including Energi24, Energibransjen, and Dagens Næringsliv.

Sigurd Lie

Senior Analyst

Sigurd Lie is an accomplished energy market analyst at StormGeo, specializing in European power markets, coal dynamics, and the EU Emissions Trading System (ETS). With 26 years of experience in the energy sector, he focuses on evaluating market trends, price developments, and the implications of regulatory changes. Sigurd's insights are valuable to industry stakeholders navigating the complexities of energy transition. He has been occasionally quoted in publications such as Montel and Bloomberg, contributing to discussions on key topics impacting the European energy landscape.

Bengt P. Longva

Senior Analyst

Bengt Longva is a seasoned energy market analyst at StormGeo, specializing in European power market forecasting and analysis. Since joining StormGeo (Nena) in 1998, he has provided expert insights into market trends, pricing dynamics, and regulatory changes. With prior experience as a portfolio manager at Drammen Kraft and a research assistant at the Centre for Applied Research at NHH, Bengt’s expertise is frequently featured in Montel, Bloomberg, Europower, and various newspapers.

Espen Zachariassen

Managing Director Energy Analytics/SVP

Espen Zachariassen is an energy analytics industry expert with a strong track record of building data-driven market intelligence platforms. He was a founder of Wattsight, a leading energy data and analytics service acquired by Volue in 2020, after starting his career at Markedskraft. Most recently, he led Arendals Fossekompani’s corporate venture company, Alytic, where he developed advanced global analytics platforms for the seafood and carbon markets. In January 2026, he joins StormGeo as SVP Energy Analytics, bringing deep market insight and a strong focus on innovation, AI, and European energy market growth.