Author Archives: Alex Piper

Californian Regulators Approve Hourly Power Source Disclosure

Rulemaking Adopting Amended Power Source Disclosure Regulations (Docket No. 21-OIR-01) The California Energy Commission unanimously approved the proposed rules updating the Power Source Disclosure (PSD) program from requiring annual disclosure to hourly disclosure. These amendments, outlined in CCR, title 20, sections 1391 through 1394.2, reorganize the regulations implementing the PSD program, which collects electricity procurement […]

A Closer Look at the 45V Final Rule

For electrolytic hydrogen production, the final rule reaffirms the three pillar guardrails, which are similar to those already finalized in Europe. Requiring hourly matching, deliverability, and incrementality is critical to avoiding some of the worst high-emissions consequences of grid-connected hydrogen production. Furthermore, the precedence of a three pillar approach to matching clean electricity production with […]

Hourly Matching Exists Today, You Just Have to Look

Both the European clean hydrogen requirements and draft 45V clean hydrogen production tax credit rules in the United States include hourly matching of clean electricity production and consumption to qualify as low-emissions. Registries are quickly developing, with some like PJM and M-RETS already offering limited functionality using hourly certificates. A recent study by CRS finds […]