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R11: Methane Avoidance

What this route does.

R11 pays for measured methane you didn’t emit—from landfill gas capture & destruction, manure/AD systems, and rice methane suppression. Evidence is bound into PRO (Process-Reduction Observation), a non-transferable evidence token minted per interval and consumed at issuance, so the audit trail can’t break. Issuance is ex-post, accounting is conservative, and one-claim law prevents overlap with gas or power instruments. Settlement mirrors EDMA canon: fees are 4% per sale (2% seller at claim, 2% buyer at settlement) paid in $EDM; 50% of every fee burns until 100 M circulating. $0.50/EDM is a fee-denomination floor (not a peg)

PoV in Action

1

Capture & Sign

Connect meters/analyzers and time-sync: flow, CH₄%, flare/engine runtime, T/P corrections, calibration certs; for rice, block-level water/residue logs with RS acreage/seasonality. Each interval mints a PRO packet with timestamps, sensor IDs, and QA references. PRO is evidence, not a credit. 

2

Verify

Accredited verifiers review that same PRO plus your baseline/causality, instrument QA, destruction efficiency & slip, parasitics (pumps/blowers), and leakage (digestate handling, rice residue). Weak cases are rerouted to a better route rather than stretched. 

3

Gate

EDMA’s PoV Gate enforces:

  1. Quorum present

  2. Equality of evidence (every counted verification references the same PRO hash/window),

  3. One-Claim exclusivity (route-agnostic claimId has not finalized anywhere). Fail = no mint, no issue, no settle.

4

Lock the accounting

A conservative, pre-published plan with factor sources (and versions) recorded on-chain:

  • Flow/Concentration path (landfill/AD):

    tCO₂e=∑[CH₄m3×ρCH₄×GWP100×DE×(1−Unc)]×(1−Buffer)\text{tCO₂e}=\sum\big[\text{CH₄}{m^3}\times \rho{\text{CH₄}}\times \text{GWP}{100}\times \text{DE}\times (1-\text{Unc})\big]\times (1-\text{Buffer})

    with rhoCH₄≈0.000716 t/m3rho{\text{CH₄}}\approx 0.000716\ \text{t/m}^3 at STP; DE = destruction efficiency; includes oxidation, engine slip, parasitics.

  • Rice path (programmatic): tCO₂e=[∑(Areai×Suppressioni)]×(1−Unc)×(1−Buffer)\text{tCO₂e}=\Big[\sum(\text{Area}_i\times \text{Suppression}_i)\Big]\times (1-\text{Unc})\times (1-\text{Buffer})

    If a provider later restates factors, we follow a documented re-issuance SOP; settled vintages aren’t repriced.

5

Issue (ex-post) & consume PRO

Verifier signs; EDMA mints avoided-emission tons and stamps the consumed PRO with verifier/batch IDs; PRO becomes non-transferable forever. 

6

No double counting (enforced in code)

If biomethane/RNG certificates or power attributes exist for the same gas/energy, they must be retired or immobilized first (registry-native) and their IDs are anchored on-chain before carbon is queued. One benefit → one claim. 

7

Sell & claim (on-chain)

Choose forwards/floors or spot. At Claim, the seller pays 2% in EDM; the buyer pays 2% at settlement (EDM discount option). 50% of all fees burn until 100 M circulating. Short on EDM? Clean revert—no auto-swaps from your payout. 

Drawing

Market

Why buyers want it Methane avoidance is intuitive to audit committees: “we captured/destroyed CH₄ that would have vented.” Credits sit cleanly against Scope-1/3 analogs and supply-chain hot spots, especially when retirements are registry-native and link back to PRO.

Price reality

  • Credible projects commonly $10–$30/t

  • higher for well-metered fleets with strong governance.

Where it exists at scale. Thousands of landfills globally; extensive manure/AD footprints in dairy/swine; large rice areas where suppression (e.g., AWD) can be proven at program scale. 

Worked scenarios

A) Landfill flare (medium site)

Raw LFG 500 m³/h @ 50% CH₄, 8,000 h/yr → CH₄ 2,000,000 m³/yr → mass 1,432 t CH₄ → gross 40,096 tCO₂e (@ GWP100=28). After 10% uncertainty+buffer → 36,086 t; DE 98% → 35,364 t saleable.

At $10/$20/$30/t → $353.6k / $707.3k / $1.061M gross; seller 2% in EDM → $346.6k / $693.1k / $1.0397M net.

Prefund (first quarter @ $20/t) = 0.02×707,280/4=$1, capped at 1,000.0.02 \times 707,280/4 = \$1,\,\text{capped at }1,000.

B) Dairy AD (large farm cluster)

Biogas 1.2 M m³/yr @ 60% CH₄ → 720,000 m³ CH₄ → mass 515 t → 14,420 tCO₂e gross; 12% uncertainty+buffer → 12,686 t; DE 98% → 12,432 t saleable.

At $10/$20/$30/t → $124.3k/$248.6k/$373.0k gross; seller 2% → $121.8k/$243.7k/$365.5k net.

C) Rice methane suppression (coop program)

Suppression 1.5 tCO₂e/ha/yr × 2,000 ha → 3,000 t gross; 20% uncertainty+buffer → 2,400 t saleable.

At $10/$20/$30/t → $24.0k/$48.0k/$72.0k gross; seller 2% → $23.5k/$47.0k/$70.6k net.

EDM footing: the Admission Prefund is min(max(0.02 × projected 3-month gross, $20), $1,000) so claims never stall;

Integrity & one-claim

  • Ex-post only: period closes, verifier signs, then issuance.

  • PRO = audit spine: flow/CH₄%/runtime + T/P + calibration bound into a non-transferable receipt, consumed at issuance.

  • Conservative math: DE, oxidation, slip, parasitics, leakage, and uncertainty are explicit; factor snapshots are versioned on-chain.

  • One-claim law: RNG/power attributes retired or immobilized first; IDs recorded on-chain; overlaps blocked in code.

What you actually do (week 1 → first issuance)

  • Day 1: KYC + wallet (stablecoin rails). Eligibility & causality gate in days; weak cases are rerouted so value isn’t lost.

  • Connect data: meters/analyzers or rice program blocks; upload calibration certs; PRO mints as evidence lands.

  • Admission prefund (USD): = min(max(0.02 × projected 3-month gross (attributes + flex), $20), $1,000)—staked in EDM; withdrawable on clean exit.

  • Then:. follow the cadence: monitor → verify → issue → sell → claim (quarterly typical for landfill/AD; seasonal/annual for rice).

Fees & settlement

EDM = gas & fees. 4% total per sale (2% seller at claim; 2% buyer at settlement, EDM discount optional). 50% of every fee burns until 100 M circulating. $0.50/EDM is a fee-denomination floor only; short on EDM → clean revert. 

Quick FAQs

  • Do we need continuous meters? Continuous is best; high-quality interval sampling + runtime + day-tank logs are acceptable with higher uncertainty.

  • Can we claim engine electricity and the methane ton? Not for the same benefit twice—power attributes must be retired/immobilized first.

  • What DE do you assume? From logged flare/engine data & OEM specs, typically 96–99%; the value is recorded in your issuance packet.

  • Do I need EDM to get paid? Yes. Fees are only in EDM; the action reverts if you’re short.

Cross-links

  • PoV Layer (§9) — quorum, equality, one-claim, revocation

  • Fees/Tokenomics (§14/§18) — 4% rule, denomination floor, 50% burn

  • Marketplace → Tokens: listing, lineage, burn ledger.

Bottom line

Route 11 is a finance-grade lane for methane avoidance in waste & agriculture: one evidence spine (PRO), one conservative plan, one cadence, one cash rail, and one-claim law enforced in code. Buyers get proof they can defend; operators get money they can count on—and every use tightens EDM supply by design.

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