When Supplier Decarbonization Pledges Outpace Your Own Carbon Budget Benchmarks

It's a weird feeling. Your team finally nails down a carbon budget—Scope 1, 2, and 3—aligned with a 1.5°C pathway. Then your biggest supplier, a specialty chemicals firm, publishes a net-zero target for 2035. That's 15 years ahead of your own 2050 pledge. Panic sets in. Not because it's bad—it's good—but because their speed exposes gaps in your own benchmarks. Suddenly, you're the laggard in the value chain.

This scenario is more common than most sustainability managers admit. In a 2023 CDP survey, 34% of suppliers reported having a climate target more ambitious than their largest customer. The asymmetry creates tension: do you accelerate your own timeline? Or do you risk appearing inconsistent when your budget says one thing and your supply chain says another?

Where This Inversion Shows Up in Real Work

Procurement teams negotiating Scope 3 targets

I sat in on a sourcing review last spring where a buyer from a European electronics assembler laid out the problem: their top semiconductor supplier had just published a net-zero pledge that landed ten years ahead of the assembler's own internal carbon budget. The room went quiet. That supplier's decarbonization curve was steeper, more aggressive, and—crucially—backed by SBTi-validated near-term targets. The assembler's procurement playbook assumed it would be the one setting ambition floors, not catching up to a vendor. Wrong order.

What broke first was the baseline comparison. The supplier had used a 2019 base year; the assembler used 2021. Different scopes, too—the supplier included some product-use emissions the assembler hadn't even mapped. Negotiating a joint reduction trajectory became a months-long exercise in reconciling accounting calendars. The catch: neither party wanted to admit their own numbers were less granular. So they punted—set a vague "alignment" clause and moved on. That clause will trigger a renegotiation in eighteen months. I doubt they'll be ready.

Most teams skip this: a supplier pledge that outpaces your benchmarks isn't automatically good news. It can distort your own reporting optics—you might show progress on paper that your operations don't actually support. Or it forces you to adopt someone else's methodology mid-cycle, which wrecks year-over-year comparability. One manufacturing client of mine saw their Scope 3 category 1 emissions "drop" 12% simply because a key supplier changed their allocation method. No real-world reduction. Just a spreadsheet artifact.

ESG reporting cycles and supplier surveys

The annual supplier survey—that ritual of spreadsheets and half-answered CDP questionnaires—is where this inversion surfaces most painfully. I have seen a procurement team send out fifty requests, get forty-two replies, and realize that eleven of those suppliers claimed carbon targets more ambitious than the buyer's own. The immediate reaction: disbelief. Then they checked. The suppliers had indeed submitted validated SBTi commitments. The buyer had not.

'We assumed our carbon budget was the ceiling. Turns out it was the floor—and our suppliers were already walking on the roof.'

— supply chain sustainability lead, mid-size industrial firm

That asymmetry creates a weird power dynamic. The buyer can't credibly demand improvement from a supplier who is already ahead. Worse, the buyer's reporting team often has to decide: adjust internal budgets to match supplier ambition (risking board-level whiplash) or publish a discrepancy note that flags the gap. Most choose the note. Then the auditor flags the note. Then the rating agency discounts the score. A clean win for nobody.

What usually breaks first is trust in the survey data itself. Suppliers start padding timelines or rebaselining aggressively to maintain their "ahead" position. One CDP submission I reviewed showed a 34% emissions drop over two years—until I noticed the supplier had moved a cement plant into a joint venture and excluded it from boundary. Not fraud. Just boundary drift. Honest—but corrosive to any comparison between buyer and seller trajectories.

M&A due diligence on carbon footprints

Acquisitions are where this inversion hits like a hidden liability. A private equity client was evaluating a logistics target whose disclosed emissions were 40% lower per ton-km than the PE firm's own portfolio average. Great, right? Not yet. The target had used a completely different methodology for purchased electricity—market-based with heavy REC purchases, while the PE firm used location-based. The target looked cleaner; it was just accounting cleaner. The actual grid mix was identical.

The pitfall: deal teams love a low-carbon narrative. They build it into synergy assumptions, projected cost savings, even valuation multiples. But if that narrative is built on a pledge that outpaces the acquirer's own budget—and the methodology differs—post-close integration becomes a scramble. I have seen integration teams spend six months just rebaselining the target's footprint to match the parent's standard. That's six months of delayed reporting, missed disclosure deadlines, and one very annoyed CFO. The inversion wasn't a signal of excellence. It was a methodological mirage.

The trick is to ask one question during due diligence: If we acquired this company tomorrow, would our combined carbon budget go up or down under a single methodology? Most buyers don't ask. Then they close, consolidate, and discover their "greener" acquisition actually pushes their own net-zero target further out. That hurts.

Foundational Confusions That Trip Up Teams

Absolute vs. intensity-based targets

The first tripwire is semantic—and it sinks teams inside three meetings. A supplier announces they’ve cut emissions 30% by 2030. Your own carbon budget assumes a 15% absolute reduction across that same supply chain. Sounds like a win, right? Wrong order. The supplier’s pledge is almost certainly intensity-based: kilos of CO₂ per revenue dollar or per ton of product. Yours is absolute: total tons, not normalized. If that supplier grows revenue 40% over the decade, their intensity pledge lets them emit more total CO₂ while still showing a 30% drop in the metric they promised. I have seen procurement teams pat themselves on the back over supplier targets that, under SBTi’s own criteria, would actually widen the buyer’s absolute gap. The fix is brutal but simple: ask every supplier for their absolute trajectory, then compare apples to apples. SBTi explicitly requires companies to disclose both, yet most suppliers only publish the flattering number.

The catch is that intensity targets aren’t evil—they serve fast-growing firms where absolute cuts would strangle production. But when you stack a supplier’s intensity pledge against your absolute budget, you’re comparing a car’s miles-per-gallon to its total fuel bill. Different decisions altogether. Most teams skip this distinction until the annual audit reveals a 12% phantom reduction that evaporates under scrutiny. That hurts.

Honestly — most sustainability posts skip this.

Allocation methods for shared emissions

“We counted the aluminum smelter’s emissions as 100% ours because we buy their entire output. Our CFO just realized the smelter also supplies our competitor. Who gets the emissions now?”

— A sterile processing lead, surgical services

— Supply-chain analyst, manufacturer of EV battery enclosures

The allocation method you choose silently rewrites your carbon budget—and supplier pledges rarely align with your choice. Most buyers default to the physical allocation approach: emissions follow the metal, the chemical, the component. That feels clean until a supplier starts selling the same product line to three buyers. Suddenly your “100%” share collapses to 33%, if you even get the right data from the supplier’s ERP system. A better pattern? Use economic allocation (emissions proportional to your spend vs. the supplier’s total revenue) for multi-customer facilities. But economic allocation drifts every time prices change—your budget wobbles because someone renegotiated a contract. I fixed this by forcing a quarterly recalibration meeting with the supplier’s sustainability lead, not their sales rep. The sales rep will give you the number that closes the deal. The sustainability lead will give you the number that survives an audit.

Should you stick with one method for all suppliers? No—and yes. Physical allocation works for dedicated production lines (a foundry that only casts your parts). Economic allocation fits shared assets like logistics hubs or chemical plants. The trade-off is maintenance: mixing methods across your portfolio creates a Frankenstein baseline that auditors hate. Document the rationale per tier-1 supplier, or prepare for a weeks-long dispute when your net-zero pledge gets challenged.

Baseline year choices and recalculation rules

What breaks first? The baseline year. Your team picked 2019 because COVID would have made 2020 an anomaly. Fine. The supplier picked 2022 because that’s when they installed their first solar array—their emissions had already climbed 22% from 2019, so a “20% reduction from 2022” is actually a net increase from your reference point. That’s not malicious; it’s just different baselines encoding different stories. SBTi allows recalculations when structural changes occur—acquisitions, divestitures, outsourcing—but most suppliers treat baseline year as sacred scripture. They won’t adjust it. Your budget must either accept the mismatch or impose a contractual clause requiring baseline alignment. We tried the polite request route. Nobody complied. We switched to requiring a 2019 or 2021 baseline (no 2020, no 2022) in supplier sustainability scorecards. Non-compliant suppliers get flagged as high-risk for procurement renewal. Suddenly, alignment happened.

The final splinter: recalculation triggers. If a supplier sells a factory mid-year, their baseline stays intact while their actual emissions drop. Your budget, which allocated emissions to that factory, now shows a phantom reduction you can’t double-count elsewhere. Most teams discover this during year-end reconciliation, not during planning. Push for a joint recalculation clause in your supplier agreements—a simple line stating that baseline years reset when either party undergoes a structural change exceeding 10% of total emissions. It sounds bureaucratic. It saves you from explaining to your board why your “on track” budget suddenly shows a 9% gap.

Patterns That Usually Work

Collaborative target-setting across tiers

The cleanest pattern I have seen works because it kills the blame loop first. A large electronics buyer in RE100 mapped their top twenty suppliers by spend, then publicly committed to buying renewable energy for those suppliers' factories for three years. No contract hammer. No demand for immediate SBTi validation. The supplier kept its own carbon budget—the buyer simply removed the electricity-cost penalty. Within eighteen months, five of those suppliers voluntarily submitted SBTi commitments, and two started asking about tier-two raw material emissions. The trick was decoupling ambition from accounting. You fund the first step; they own the next.

Most teams skip this: you can't align targets if your supplier doesn't trust your data. Share your carbon budget worksheets—raw, with assumptions flagged. Let them see where your 1.5°C pathway came from. One automotive parts supplier told me their buyer's budget demanded a 30% cut in purchased steel by 2027. Absurd. The steel their buyer specified had zero low-carbon alternatives at scale yet. We fixed this by building a shared model: six suppliers, one buyer, all editing the same assumptions spreadsheet monthly. The budget didn't get easier, but it got honest.

Shared renewable energy PPAs

This is the pattern that usually scales fastest. A consortium of mid-size food processors in Southeast Asia pooled their factory loads and signed a single virtual PPA for a solar farm in Vietnam. Each company got renewable energy certificates proportionate to their off-take—no supplier had to negotiate alone. The catch is upfront coordination time; it took them eleven months to align contract terms. But once live, every supplier in that group showed a 40–60% drop in scope 2 emissions on paper, and their carbon budgets suddenly looked achievable rather than punitive. The buyer stopped being a police officer and became an enabler.

“We stopped asking suppliers to fix something we hadn't fixed ourselves. That changed the conversation from compliance to partnership.”

— Head of Procurement, a global electronics manufacturer that reduced supply-chain emissions 22% in two years

Contractual incentives with verified milestones

The pattern that holds long-term embeds money, not threats. We rewrote one supplier agreement so that hitting three verified decarbonization milestones unlocked a 2% margin bonus on all purchase orders for the following year. The milestones were simple: (1) complete a scope 1&2 inventory by Q2, (2) sign a renewable energy contract by Q4, (3) reduce energy intensity by 8%. No cliff penalties if they missed. A few suppliers missed the first milestone—honestly, they didn't have inventory capability—and the contract let them reset without losing the bonus entirely. That flexibility kept them engaged rather than defensive. What usually breaks first is verification cost; you need a light-touch audit system, not a full third-party review every quarter. Use utility bill scans and monthly self-reported data. Imperfect but present beats perfect but absent every time. Wrong order: demand the perfect inventory before you offer the incentive.

Anti-Patterns That Cause Reversion

Cherry-picking hotspot categories

I sat in on a progress review where the procurement lead proudly reported a 14% drop in scope 3 emissions. The room almost clapped. Then someone asked which categories they had measured. Silence. They had excluded purchased goods, logistics, and capital equipment — basically everything that moved the needle. What remained were office supplies, business travel, and a few low-volume contract manufacturers. The 14% was real. It was also irrelevant.

The pattern repeats: a team identifies one or two supplier categories where reduction is easy — maybe IT hardware or fleet fuel — and builds an entire roadmap around those. Meanwhile, the categories that actually dominate their carbon budget — steel, chemicals, transport — stay unexamined. The trap is seductive. Easy wins look like strategy, but they create a false floor: once those hotspots hit diminishing returns, the entire decarbonization curve flattens. Worse, the board sees the early graph and assumes the trajectory holds. It never does.

Honestly — if you only account for 30% of your supplier footprint, you're not decarbonizing. You're curating a dashboard. The fix is brutally simple: start with the categories that would bankrupt your carbon budget if they didn't move, not the ones where you can brag fastest. Most teams skip this because the data is ugly. That's exactly why they must not.

Honestly — most sustainability posts skip this.

Double-counting reductions between buyer and supplier

A supplier switches to renewable energy and cuts their factory emissions by 40%. Great. The buyer reports the same reduction in their purchased-goods category. Also great — except both claim the same ton of CO₂. That sounds fine until an auditor or an annual report reconciles the numbers. Then the math breaks. Double-counting is not a paperwork glitch; it's a credibility wound that takes months to heal.

The underlying confusion is simple: suppliers share their reduction data, buyers normalize it into their own inventory, and nobody checks whether the credit already lives on the supplier's books as a sold certificate or a contractual instrument. I have seen a single solar-power purchase agreement claimed by four different customers in the same year. That's not collaboration — it's a house of cards. The anti-pattern solidifies when budgets tighten: teams feel pressure to show progress, so they accept any supplier-provided figure that looks good. Verification gets deferred. The next quarter, the same number reappears, now embedded in both parties' public disclosures.

The catch is that true scope 3 accounting requires allocating, not duplicating. One ton belongs to either the buyer's purchased-goods bucket or the supplier's scope 1 report — never both. Teams that skip that attribution step are building a carbon inventory that will disintegrate the first time someone applies real rigor. That hurts.

'We counted the same solar megawatt-hour three times before anyone noticed. The audit fix cost us a quarter of our credibility budget.'

— Supply chain sustainability manager, industrial manufacturing

Offset-heavy fallback when budgets tighten

Halfway through a multiyear supplier-decarbonization program, the CFO freezes the budget. The response? A hurried purchase of carbon credits to cover the gap. This is the reversion I see most often — and it's almost always a mistake. Offsets are not a strategy; they're a financial instrument for residual emissions you can't abate. Using them as a substitute for abatement when money gets tight is like paying someone else to lose weight for you.

The reversion happens in stages. First, the team cuts funding for supplier energy audits and co-investment in efficiency upgrades. Then they buy a batch of certified removal credits — say, reforestation or biochar — and slot them into the reporting framework. The numbers still look compliant. But the actual emissions from the supply chain haven't changed. The curve is flat; the dashboard just got a new color for 'compensated.' The team reverts because offsets are fast, easy to budget, and require no messy conversations with suppliers about factory-level change. Short-term pain disappears. Long-term drift sets in.

What usually breaks first is the maintenance cost: keeping offset bookings aligned with evolving certification standards, managing vintage requirements, and explaining to investors why your real abatement rate hasn't moved in two years. The best teams I have seen treat offsets as the last button you push, not the first one you reach for when money gets pulled. If your budget tightens, cut the reporting scope — don't fake the number. Wrong order. Not yet.

Long-Term Costs: Maintenance, Drift, and Audit Complexity

Verification Drift Over Multiple Reporting Cycles

The first year looks clean. Suppliers send spreadsheets, your team checks a few line items, and the numbers match the pledge. Year two arrives and suddenly the same facility claims a 40% drop in Scope 2 emissions — but your internal benchmark says they still buy grid power from a coal-heavy region. Someone approved a different emission factor. Nobody remembers who. That's verification drift: tiny methodological changes that compound into un-auditable claims. I have watched a procurement team spend three weeks reconciling a single supplier's numbers because the baseline year shifted without documentation. The worst part? The supplier was not lying — their sustainability lead just used whatever calculator their industry association posted last quarter.

Most teams skip this: a formal protocol for what counts as "verified." Without it, each reporting cycle bends the definition slightly. One year it's third-party assurance limited to Category 1 emissions. Next year a different consultant accepts self-declarations. The drift becomes invisible until an auditor asks for evidence of year-over-year consistency — and you can't produce it. That hurts.

Cost of Maintaining Shared Data Platforms

The shared platform seemed like the obvious solution. Everyone uploads invoices, certificates, and methodology notes to one dashboard. Six months later, three suppliers have abandoned the portal because your IT team didn't map their legacy ERP fields to your import template. Two others still hand-enter data that conflicts with their own internal systems. The platform costs $40,000 annually, plus a part-time administrator who chases missing entries. The catch is — the platform only reduces confusion if all parties actually feed it. Otherwise you maintain two truths: the glossy dashboard for leadership and the messy reality of email attachments and phone call corrections.

That sounds fine until audit season. Then the platform becomes a liability — every inconsistency is visible, every missing timestamp a flag. One retail company I worked with scrapped their entire supplier portal because the maintenance overhead exceeded the carbon savings they could credibly report. They reverted to annual spreadsheets. Not elegant. But honest, at least.

'The platform doesn't create trust. It only makes the absence of trust more visible — and more expensive to explain.'

— sustainability manager, industrial manufacturing, speaking after a failed audit cycle

Reputational Risk from Inconsistent Claims

Your marketing material says "80% of suppliers on a net-zero pathway." A journalist checks three names from that list. One supplier has no public target. Another uses carbon offsets your own team previously rejected as non-additional. The third relocated production to a facility your benchmark system had flagged as high-intensity — but the supplier's pledge predated the move and you never updated the scope. Now the inconsistency looks like concealment. Greenwashing accusations don't require intent; they only require a gap between what you claim and what a reasonable check finds.

How do you prevent this? Not by auditing every supplier every quarter — that breaks the budget. We fixed this by tagging each claim with an expiration date. If the supplier doesn't re-certify within eighteen months, the claim drops from public reporting. This creates its own cost — constant communication cadence — but it prevents the worst scenario: a proud announcement followed by a public correction. That reputational damage lingers far longer than the carbon savings.

Honestly — most sustainability posts skip this.

When Not to Use This Approach

Unstable baseline or recent acquisition

I have watched a team spend four months building a carbon budget benchmark only to have it invalidated by an acquisition they closed three weeks later. If your company just bought a mid-size manufacturer with its own patchy emissions history, or if you're still integrating three different ERP systems, don't align with a fast-moving supplier pledge. You can't run toward someone else’s deadline when your own front door is still swinging on its hinges. The baseline needs to be stable—measured consistently for at least two reporting cycles—before you ask suppliers to race ahead. Until then, every commitment you sign becomes a liability, not a signal.

Suppliers lacking primary data infrastructure

Most teams skip this: a supplier can claim net-zero by 2035 but still send you spreadsheets with estimated Scope 2 values from three years ago. That hurts. If your key suppliers can't report actual electricity consumption, fuel use, or refrigerant losses, their pledge is essentially a wish. You inherit the audit risk, not the credit. One concrete anecdote: we fixed this by requiring invoice-level data for the top ten suppliers before we let any pledge influence our own budget. The catch is that smaller suppliers often lack the tools—and pressuring them prematurely can fracture a relationship. Better to wait until their data infrastructure catches up, or phase them into a slower track. Otherwise you're benchmarking against ghosts.

Wrong order. A pledge without primary data is marketing, not a pathway. — supply chain analyst, heavy manufacturing

— observed in a mid-2023 Scope 3 audit review

Board treats pledges as PR without budget commitment

The tricky bit is executive enthusiasm that stops at the slide deck. I have seen a board cheer a supplier’s 2040 net-zero announcement while simultaneously cutting the carbon accounting team’s headcount. That's not alignment—it's drift waiting to happen. If your leadership allocates zero dollars for supplier engagement, data verification, or contract renegotiation, then matching an ambitious supplier pledge will simply expose how hollow your own budget really is. What usually breaks first is the maintenance: you can't audit fast-moving claims on a slow-moving budget. The long-term costs of drift and audit complexity become yours alone to carry. So ask yourself—does the board sign checks or just sign tweets? If the answer leans toward the latter, hold off. Let the supplier lead, but don't let their timeline rewrite yours until the money follows.

Open Questions and FAQs

Legal liability if a supplier fails its pledge

You signed the contract. They promised 50% reduction by 2030. Then the factory owner retires, the new manager scraps the solar plan, and emissions flatline. What can you actually do? Nothing graceful — that’s the short answer. Most supplier decarbonization pledges sit inside letters of intent or sustainability clauses, not performance guarantees with liquidated damages. I have seen procurement teams try to rewrite supplier agreements mid-cycle; the pushback is ferocious. “You want us to pay for missing a target we set voluntarily?” That response is reasonable. The real exposure isn’t legal — it’s reputational. If your Scope 3 disclosures rely on that supplier’s pledge and they default, your carbon budget gets a hole. A hole the market sees. One workaround: tie the pledge to a commercial lever you already control, like volume commitments or payment terms. Make decarbonization a condition of preferred-supplier status, not a standalone promise. That said — don’t bluff. If you can't credibly walk away from the supplier, the clause is theater.

The risk isn’t the lawsuit you never file. It’s the audit finding that shows you booked reductions that never happened.

— former sustainability director, industrial manufacturing

How to handle competitive suppliers with different ambitions

Supplier A is ahead of its peers — 60% renewable electricity, a published net-zero plan, third-party verified. Supplier B ships the same component but runs on diesel gensets and hasn’t set a target. You want to consolidate toward A. The catch? Supplier B is 12% cheaper on unit cost, and your margin committee hates paying more for "carbon quiet." This is where the inversion hurts: your internal carbon budget may price a tonne at €30, but purchasing’s P&L treats it as zero. The first step is honestly ugly — build a shadow price into your sourcing scorecard. Not a theoretical number. A real, hard-cost penalty applied to the procurement decision memo. Supplier B’s bid stays lower on paper, but with the carbon adder it flips. I have seen exactly this break a year-long stalemate at a European auto parts firm. They stopped talking about "ambition" and started talking about hard cost. The purchasing director changed his vote.

What happens if both suppliers improve at different rates? You manage the gap with short-term contracts. One year. Two max. Don't lock a five-year deal with a laggard based on a "plan to have a plan." Competitive dynamics shift fast — regulatory pressure, customer demands, fuel prices. A supplier that drags today might leapfrog tomorrow. Keep your sourcing windows narrow so you can shift volume without breaching terms. That's the tactical move most teams skip: flexibility over loyalty.

Net-zero alignment vs. carbon neutrality claims

These two terms get smashed together in multi-tier value chain discussions. They're not the same. Carbon neutrality usually means buying offsets to match emissions — a financial fix, not an operational one. Net-zero, under the Science Based Targets initiative framework, demands 90%+ absolute reduction before any offsets touch the remainder. The distinction matters enormously when your supplier’s pledge is "carbon neutral by 2028" and your own target is "net-zero by 2040." Their neutrality might rely on forestry credits that degrade in a wildfire season. Your budget assumes actual abatement. The seam blows out when the auditor asks: "Did you double-count?"

A practical fix: require suppliers to report gross emissions and offset volumes separately. No netting. Force the raw number onto the table. Then map their gross trajectory against your internal budget — not their glossy claim. I have seen one multinational rewrite its supplier code of conduct to explicitly ban "net zero" language unless the reduction pathway is verified. Painful for marketing teams. Clear for carbon accountants. That clarity saves you a year of reconciliation work later.

Summary and Next Experiments

Pilot a shared carbon ledger with top 3 suppliers

Pick your three highest-emission suppliers—the ones whose pledges already exceed your internal budget. Sit down with them, spreadsheet open, and map a single product’s cradle-to-gate footprint using their primary data, not your generic averages. The first meeting will hurt. You’ll discover unit boundaries clash, biogenic carbon gets counted twice, and someone’s “carbon neutral” label rests on unbundled RECs. That’s the whole point. A shared ledger forces both sides to reconcile method within weeks, not wait for an audit cycle. The catch: your procurement team must grant access to cost data, which terrifies legal. Start with a nondisclosure wrapper and a six-week window. Most pairs find a 15–22% gap between their separate budgets. Closing that gap, even halfway, beats polishing a glossy net-zero brochure.

Stress-test your budget against a 1.5°C scenario without offsets

Take your current absolute reduction curve. Delete every offset credit—every forestry project, every carbon-capture promise. Now rebuild your pathway using only operational efficiency, material swaps, and logistics redesign. Honest teams stare at a wall for twenty minutes. The math rarely works the first pass. What breaks first? Usually the aluminum or steel category, where supplier technology shifts can't materialize inside one procurement cycle. So you trim here, accept a slower glide slope there. The result is not elegant. It's, however, the only scenario that reveals true dependency on offsets. I have seen teams discover they need a 7% annual reduction just to stay plausible without offsets—twice their current trajectory. That sting is a better teacher than any consultant deck.

— supply chain lead, manufacturing firm, after rejecting their own offset-heavy roadmap

Publish a supplier alignment policy before next CDP cycle

Draft a one-page policy that states plainly: “We will prioritize suppliers whose near-term targets match or exceed our internal carbon budget for their sector.” Send it to your top twenty vendors for comment—not for approval. The feedback loops are brutal. One supplier will argue their science-based target uses a different baseline year; another will note your budget assumes grid decarbonization that their regional utility hasn’t committed to. Respond publicly, revise quarterly, and embed the policy in your RFQ language. The long-term cost here is real: you may lose a low-cost supplier whose promises are flimsy. That trade-off separates performative pledges from procurement that actually bends the curve. Start before your next CDP disclosure, even if the policy is rough. Rough beats absent.