It’s no secret that Fortune 500 companies want more advanced energy. Over the past five years, these companies have signed contracts for more than 24 GW of large-scale renewable energy, pursued thousands of onsite solar installations, and embraced newer technologies like battery storage. The role of organized competitive wholesale markets as enablers of advanced energy procurement by large buyers is, however, a bit of a trade secret. Which is too bad, because policymakers could meet the needs of businesses and accelerate the transition to a cleaner economy all at once by expanding and reforming these markets. Here’s how.