Editor’s Note: NGI’s Mexico Gas Price Index, a leader tracking Mexico natural gas market reform, is offering the following column by Eduardo Prud’homme as part of a regular series on understanding this process.

AMLO

On June 6, Mexico will vote for the makeup of the lower house of Congress along with numerous governorships and state legislatures. The importance of these elections has to do with the unprecedented number of positions at stake. It’s also being seen as a referendum on popular support for President López Obrador’s political project. In the energy sector, it’s hard to overstate just how much is at stake.

The attention López Obrador has devoted to the energy sector stands out compared to other issues of economic impact, and compared to past governments. His...