Trellis Impact 26: Climate Procurement Is Becoming a Connected Workflow

Trellis Impact 26 brought together companies, standards bodies, reporting platforms, and sustainability teams working through the practical side of corporate climate action. The conversations covered a wide range of topics, from disclosure and target-setting to supplier engagement, Scope 3, materials, and carbon markets.

For energy and carbon buyers, the discussion came back to a practical point: the same tools still matter, but they now need to be used with more context. Renewable energy certificates, PPAs, VPPAs, carbon credits, and removals still have a role. But buyers are increasingly expected to connect those purchases to targets, claims, reporting needs, supplier programs, and longer-term climate planning.

Companies are being asked to show how climate procurement decisions connect to targets, claims, reporting, supplier programs, and long-term climate strategy. That means buyers need more than access to supply and pricing. They also need better records, clearer internal logic, and data that can support the questions that come later.

The conversations kept circling back to three points.

1. Target frameworks are moving closer to implementation

Climate targets are moving from ambition-setting into implementation. The discussions around SBTi and the GHG Protocol reflected a growing focus on how companies show progress, how market-based instruments are used, and how climate actions are documented over time.

A renewable energy or carbon purchase may need to support more than a transaction record. Buyers may need to explain which target the purchase supports, what claim is being made, what instrument was used, what evidence sits behind it, and how it will appear in reporting.

This brings procurement closer to climate governance. Buyers still need to compare options, manage availability, and execute transactions. But they also need a clearer record of why a purchase was made, how it fits into the company’s climate goals, and what it can credibly support.

2. Disclosure is becoming part of the procurement workflow

Another strong theme came from the CDP discussions. Climate disclosure is becoming more reusable, more data-driven, and more closely tied to business decisions. The same climate data may now be needed for customer requests, investor reporting, supplier engagement, internal management, and regulatory preparation.

For energy and carbon buyers, this means procurement data has to work harder. Certificates, contracts, emissions data, supplier details, retirement records, verification documents, and claims language may all need to support reporting workflows after a purchase is complete. The data behind that purchase needs to be organized, accessible, and consistent enough to support future disclosure, assurance, and internal review.

In practice, climate procurement is becoming more closely tied to data infrastructure. Buyers need processes that help them track supply, price, documents, claims, reporting status, and supplier-related information in one place, rather than rebuilding the story each time a disclosure request comes in.

3. Scope 3 makes procurement part of a bigger execution challenge

Many decarbonization challenges do not fit neatly into one procurement category. Companies discussed supplier engagement, product-level data, process efficiency, sustainable aviation fuel, material choices, and coordination across sustainability, procurement, engineering, and operations.

Not all of this sits directly inside renewable energy or carbon markets. This is an important point for corporate buyers. Scope 3 makes it clear that procurement is part of a larger execution challenge, where companies need to understand where market instruments can help and where supplier or operational action is required.

For end buyers, this makes the role more complex. Procurement teams are being asked to support climate goals while also managing cost, supplier performance, risk, availability, and business continuity. Sustainability teams are being asked to translate targets into actions that other parts of the business can actually use.

Environmental instruments are not the full Scope 3 solution. They can support Scope 3 work when there is a clear link to a target, supplier program, or reporting need. The value comes from using them with clarity, rather than treating them as isolated purchases.

What this means for buyers

For corporate buyers, the work ahead is practical. The market tools are there, and companies will continue to use them. The harder part is making sure each decision can hold up inside the company, across reporting cycles, and in conversations with customers, investors, and suppliers.

That was the useful reminder from Trellis Impact 26. Climate procurement is becoming more connected to the way companies manage climate action overall. The buyers who are prepared for that shift will be better positioned to move from individual purchases to decisions that can be explained, tracked, and used over time.