Between now and 2050, the International Energy Agency projects that more than $100 trillion will be spent on building net-zero energy infrastructure globally. Yet every single one of these projects runs the risk of higher-than-expected construction costs or time delays. Newer technologies introduced in the past decade, such as hydrogen or geothermal energy, are even more difficult to evaluate as government agencies, energy developers, utilities, investors, and other stakeholders decide which sustainable energy systems are best for future projects.