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About the Natural Gas Price Index

The natural gas price index is an economic indicator that tracks price fluctuations of natural gas in the international market. It is expressed in index form with 2010 as the base year (100), measuring relative price changes in natural gas as time-series data. This index reflects various forms of natural gas trading prices, including liquefied natural gas (LNG) and pipeline gas, and plays an important role in understanding trends in the global energy market.

There are multiple reasons why this indicator is important. First, natural gas is a major global energy source used in a wide range of applications including power generation, heating, and industrial purposes. Fluctuations in natural gas prices directly impact energy costs, inflation, and corporate profitability, resulting in significant macroeconomic effects. Second, many countries, including Japan, depend on imports for the majority of their natural gas consumption, and price fluctuations affect trade balances and household burdens. Third, for energy policymakers and investors, understanding price trends is essential for strategic decision-making.

As a general trend, natural gas prices fluctuate significantly due to multiple factors including geopolitical risks, seasonal variations, supply constraints, and the proliferation of renewable energy. Particularly since 2022, significant price increases have been observed due to the situation in Ukraine and the energy crisis. Notable points to monitor include price trends within the context of long-term energy transition, supply trends from major producing countries, and the direction of demand changes due to decarbonization efforts.