Economic Impact Report

What this document is

The State A / State B economic model for Johnson County: what the County pays under the current system and under the CSA, and what it receives — shown as separate flows.

Three things this document says
  1. State A is ~$42/ton disposal under a 1-year permit, with closure targeted for 2037.
  2. State B: $14.60M Year-1 Beneficiation Fee at Phase Initial; a Circular Royalty™ of $17.52M in Year 2 growing to ~$874M gross over 30 years.
  3. Two independent gross transactions, reported separately; zero County capital.
Carbotura · Circular Advantage Program · Economic Impact Report

Johnson County, Kansas
Economic Impact Report

State A leaves Johnson County on a one-year permit with no return — State B converts the same volume into a 30-year royalty return.

Document: Stage 1 Economic Impact Report Prepared for: Johnson County, Kansas Date: March 2026 Basis: State A from the Feedstock System Assessment; State B from the Proposal EIR Input Block; all figures ESTIMATED

§1 — Introduction and Decision Summary

§1 — Introduction and Decision Summary

What this report measures · Decision summary · Fiscal vs. regional separation

§1.1 — What This Report Measures

This Economic Impact Report models the fiscal and system delta between two defined states. It does not re-diagnose the current system — that is the Waste Study's role. It does not independently derive deployment parameters — those are locked in the Proposal EIR Input Block.

State A — Current System

Johnson County continues disposing ~1,200 TPD at WM Johnson County Landfill (Waste Management, Inc.). Closing est. 2037–2043. No contracted alternative. FWDC $42/ton (ESTIMATED). Source: Waste Study.

State B — With Carbotura

Johnson County deploys ACM in 3 phases (400/800/1,200 TPD) across 3–4 distributed centers under a 30-year BOO CSA. Beneficiation Fee $100/ton. Circular Royalty™ from Month 13. Source: Proposal EIR Input Block.

§1.2 — Decision Summary Table

ItemState A (Current)State B — Year 1 (Pre-Royalty)State B — Year 2+ (Post-Royalty)State B — Year 30
Annual disposal / TMC obligation$6.1M (400 TPD) EST$14.6M Beneficiation Fee$15.0M Beneficiation Fee$89.3M Beneficiation Fee (1,200 TPD)
Circular Royalty™ received$0$0 (pre-royalty)+$17.5M (Year 2)+$129.8M
Gross cost displacement (FWDC avoided)+$6.1M (400 TPD)+$6.1M (400 TPD)+$18.4M (1,200 TPD)
County capital obligation$0 (WM BOO)$0$0$0
Key data gapWM gate rate unconfirmedFWDC $42/ton ESTIMATED — confirm via KDHE or WM contract disclosure
Decision deadlineLOI/MOU execution by Q3 2026 → Phase Initial COD Q3 2028 → 9-year buffer before 2037 landfill closure
Cost of one-year delayOne year less ACM operational runway before 2037 closure; one year closer to potential WM SUP non-renewal; one year less of Circular Royalty™ receipts
Classification (RPT) ACM permitted only under NAICS 325180 / 325998 / 327992 / 331110 / 331314 / 331492 (manufacturing). Solid waste codes (562212 / 562213 / 562219 / 562920) are expressly excluded. Both parties commit to the RPT pathway; the endpoint is categorical — manufacturing classification across all permitting, licensing, and regulatory contexts. Interim bridging authorities may apply during the transition. Federal basis: RCRA §1004(27) · 40 CFR §261.2(e). Standing condition · MR §3
ANALYSIS BASIS — STANDARD CSA

This Economic Impact Report models the Delta between State A (current disposal trajectory) and State B (Carbotura CSA).1–§4.1 for full CSA Structure.

§1.3 — Fiscal vs. Regional Economic Separation: County fiscal effects (Beneficiation Fee, Circular Royalty™, gross cost displacement) are direct budget line items. Regional economic effects (employment, annual economic impact) are distinct categories — they represent community-wide benefits that do not appear as county general fund receipts. These two categories are reported separately throughout this document and must not be combined.

§2 — State A Baseline

§2 — State A Baseline

Current system · Source: Waste Study · No new diagnosis

§2.1 — Feedstock Volume and Disposition

StreamAnnual VolumeTPDCurrent DestinationOperatorSource Type
Residential MSW219,000 TPY600WM Johnson County Landfill, ShawneeWaste Management, Inc. (WM)EST
Yard Waste / Organics43,800 TPY120Olathe Composting / WM overflowCity of Olathe; WMEST
Commercial / Institutional MSW127,750 TPY350WM Johnson County LandfillMultiple haulers; WM primaryEST
C&D Debris32,850 TPY90APAC-Reno C&D Landfill; WMAPAC-Reno; WMEST
Biosolids / FOG14,600 TPY40JCW land application / FOG programJohnson County Wastewater (JCW)EST
Total State A438,000 TPY1,200Single private landfill dependencyEST

§2.2 — State A Cost Structure

Cost ElementPer-Ton BasisAnnual (at 1,200 TPD)Source Type
Blended disposal cost (MSW + yard + C&D streams)$42/ton$18,396,000EST
Biosolids management (JCW — land application / disposal)NULL (not confirmed)NULLData Gap
Post-closure haul cost (2037+)$80–$120/ton additional (est.)$35M–$53M additional at 1,200 TPDEST
Total State A (current, 1,200 TPD)~$42/ton~$18.4M/yrEST

§2.3 — State A Cost Trajectory (Three Mechanisms)

1 — Rate escalation at capacity limit: WM landfill under 1-year SUP only (Nov 2024); blasting operations for final cell; methane flaring complaints; rate increase precedent — WM national pricing +7% in 2024. Scarcity pricing as final cell fills.
2 — Post-closure haul cost shock: When WM landfill closes (2037–2043), nearest alternatives are Lawrence (~40 mi) and Topeka (~65 mi). Long-haul disposal for 400–500 daily trucks adds est. $80–$120/ton vs. current $42/ton — a structural cost shock with no current mitigation plan.
3 — Capital reinvestment and regulatory pressure: JCW $2.1B Phase 2 Integrated Plan (2025–2029) drives wastewater rate increases; EPA PFAS rules tightening biosolids land application; landfill blasting operations generating community opposition. All three mechanisms increase the State A cost trajectory.

§2.4 — State A Environmental and Structural Position

DimensionState A Condition
Carbon profile~1,200 TPD landfilled; methane generation from WM JC landfill (flaring issues documented 2024); no systematic carbon displacement
Water resourceNo water recovery from waste stream; JCW treatment produces discharge to waterways under NPDES permits
Biosolids disposalLand application — primary pathway at risk from EPA PFAS tightening. JCW FOG accepted at Middle Basin but no value recovery
Structural dependency100% single-facility dependency on WM private landfill; 1-year SUP; projected closure 2037. No alternative contracted or in siting.
Regulatory exposureKDHE Subtitle D compliance; EPA PFAS biosolids rules; WM Shawnee community relations (odor/blasting/flaring)

§3 — State B Deployment Baseline

§3 — State B Deployment Baseline

Source: Proposal EIR Input Block only · No independent derivation

§3.1 — Inherited Flags Declaration: All State B values in this section are inherited from the locked Proposal EIR Input Block. The FWDC remains ESTIMATED at $42/ton. ACM environmental metrics remain ESTIMATED from Carbotura standard parameters. Employment figures remain ESTIMATED. No new values are introduced here — any figure not traceable to the Proposal EIR Input Block or the Registry is a generation error.

§3.2 — Deployment Configuration

PhaseTPDModules (ceil/100)CentersAnnual TPYCOD
Initial40041–2146,000T0 + 24 mo (Q3 2028 target)
Medium80082–3292,000T0 + 42 mo
Expanded1,200123–4438,000T0 + 60 mo (Q3 2031 target)

§3.3 — Economic Terms

ParameterValueSource
Beneficiation Fee base$100.00/ton (floor operative)Proposal EIR Input Block
TMC escalator2.5%/yearProposal EIR Input Block
Circular Royalty™ base rate120% of that year's Beneficiation FeeProposal EIR Input Block
Royalty rate escalator+1 percentage point/yearProposal EIR Input Block
Royalty payment lag13 months after corresponding TMC paymentProposal EIR Input Block
CSA term30 yearsProposal EIR Input Block
County capital obligation$0Proposal EIR Input Block (BOO structure)

§3.4 — Residual Obligations

Residual waste (est. <2% of total stream) not accepted by ACM — limited to certain hazardous and specialty fractions — continues to require disposal via alternative pathways. Johnson County HHW Facility provides the primary diversion point for hazardous fractions. Residual volume estimated at <24 TPD at full expansion; residual cost estimated at <$1.0M/year (ESTIMATED).

§3.5 — Timeline Anchoring

T0 = Term Sheet completion. All COD dates are offsets from T0. First Circular Royalty™ payment = T0 + 37 months (13 months after Phase Initial COD at T0 + 24 months). Timeline basis: Carbotura standard deployment schedule.

§3.6 — Phase Delta Map

State A infrastructure (current system, steel/grey) vs. State B Priority 1 ACM center (emerald). Johnson County, Kansas.

Sources: Proposal EIR Input Block · johnsoncountylandfill.com · jocogov.org/department/wastewater · Operator verification March 2026

Map requires Google Maps API key

Set GOOGLE_MAPS_API_KEY in config.js

§4 — Delta Analysis

§4 — Delta Analysis

Three components · Phase comparison · Pre-royalty separation · 30-year tables

§4.1 — Three Delta Components

COMPONENT 1
Gross Cost Displacement

FWDC ($42/ton ESTIMATED) avoided by diverting feedstock from WM landfill to ACM. At Phase Initial 146,000 TPY = $6.1M/year. At Expanded 438,000 TPY = $18.4M/year. Gross cost displacement is quantified separately from Circular Royalty™ cash flow.

COMPONENT 2
Circular Royalty™ Cash Flow

Rolling monthly royalty: Royalty(m+13) = TMC(m) × Royalty_Rate(m). Base 120%, +1pp/year. $0 in pre-royalty period. +$17.5M Year 2 (Initial). Grows to +$129.8M/year at Year 30 Expanded. At steady state, the Circular Royalty™ is designed to exceed the Beneficiation Fee on a per-ton basis.

COMPONENT 3
Residual Obligation

Estimated <2% non-ACM-processable stream continues to require alternative disposal. Est. <$1.0M/year at full expansion — not material to the analysis. JCW HHW Facility handles hazardous diversion.

Three Canonical Statements — Circular Royalty™:
  1. Gross cost displacement is quantified separately from Circular Royalty™ cash flow.
  2. At steady state, the Circular Royalty™ is designed to exceed the Beneficiation Fee on a per-ton basis.
  3. Circular Royalty™ payments begin 13 months after corresponding Beneficiation Fee payments and ramp to full run-rate on a rolling basis.

§4.1 — Phase-by-Phase Comparative Table

ItemPhase Initial Yr 1
(400 TPD / 146K TPY)
Phase Initial Yr 2+
(400 TPD)
Phase Expanded Yr 10
(1,200 TPD)
Phase Expanded Yr 30
(1,200 TPD)
State A disposal cost$6.1M$6.1M$18.4M$18.4M
State B — Beneficiation Fee paid−$14.6M−$15.0M−$54.8M−$89.3M
State B — Gross cost displacement+$6.1M+$6.1M+$18.4M+$18.4M
State B — Royalty Year 1$0 (pre-royalty)
State B — Royalty Year 2++$17.5M+$68.8M+$129.8M
Residual obligation (est.)−$0.3M−$0.3M−$1.0M−$1.0M
County capital obligation$0$0$0$0

All figures ESTIMATED. State A cost from Registry §C. State B values from Proposal EIR Input Block.

§4.3 — Pre-Royalty Period Separation — Required Callout:
Year 1 and post-Month 13 periods have materially different fiscal characteristics. They must not be combined. Year 1 (pre-royalty): county pays $14.6M Beneficiation Fee; receives $0 royalty; avoids $6.1M of disposal cost. From Month 13: rolling royalty begins at $120/ton based on Month 1 TMC. Averaging or blending these two periods in budget modeling produces a materially misleading result.

§4.4 — 30-Year Gross Cost Displacement

YearPhaseTPDFWDC/ton ESTAnnual DisplacementCumulative Displacement
1Initial400$42.00$6,132,000$6,132,000
5Medium800$42.00$12,264,000~$55M
10Expanded1,200$42.00$18,396,000~$148M
20Expanded1,200$42.00$18,396,000~$332M
30Expanded1,200$42.00$18,396,000~$515M

Note: Post-2037 State A cost shock ($80–$120/ton additional) is not included in this table — it represents an additional upside to the displacement calculation that cannot be modeled until State A alternatives are contracted.

§4.5 — 30-Year Circular Royalty™ Table

YearPhaseTPDTMC/tonRoyalty RateRoyalty/tonAnnual Royalty
1Initial400$100.00$0 (pre-royalty)$0
2Initial400$102.50120%$120.00$17,520,000
5Medium800$110.38124%$133.54$38,993,000
10Expanded1,200$125.02129%$157.17$68,840,000
20Expanded1,200$160.54139%$217.71$95,357,000
30Expanded1,200$203.89149%$296.36$129,806,000

Royalty figures are amounts received. The royalty is paid 13 months in arrears, so the figure shown for a year is earned on the previous year’s delivered tonnage.

Formula: Royalty(m+13) = TMC(m) × Royalty_Rate(m). All figures ESTIMATED.

State B Fiscal Position — Three Gross Items, Years 1–20
State B converts disposal cost into Beneficiation Fee plus royalty income. All three items shown gross. Year 1 is cost-only; Year 2 onward royalty income exceeds Beneficiation Fee.
Avoided disposal cost
Beneficiation Fee paid
Circular Royalty™ received
Year 1 royalty (pending — begins Month 13)
$42.00/ton
Avoided disposal · Year 1
$100.00/ton
Beneficiation Fee paid · Year 1
$120.00/ton
Royalty received · Year 2
Carbotura delta model · Registry values · State B per Proposal EIR Input Block · FWDC $42/ton ESTIMATED · TMC $100/ton · Royalty 120% Year 1 base +1pp/yr · TPD 1,200

Executive Implications — §4

  • The 13-month pre-royalty period is a bounded, knowable cost — not an open-ended liability.
  • Gross cost displacement ($6.1M–$18.4M/year) and Circular Royalty™ ($17.5M–$129.8M/year) are separate components and are reported separately in county budget planning.
  • The 30-year model assumes no post-2037 State A cost shock. If the WM landfill closes without contracted alternatives, the State A counterfactual cost increases by $35M–$53M/year — widening the State B advantage further.

§5 — System-Level Impact

§5 — System-Level Impact

Employment delta · Environmental delta · PFAS structural · No-fallback analysis

Required Disclaimer — Regional Economic Effects: The employment and economic impact figures in §5.1 represent regional economic activity, not county fiscal receipts. They do not appear as county general fund line items and should not be combined with county fiscal effects in budget analysis.

§5.1 — Employment Delta

Employment CategoryState AState B — InitialState B — ExpandedDeltaSource
Direct FTE (ACM operations)0 (WM BOO)48144+144EST
Indirect/induced (2.5× multiplier)0120360+360EST
Total supported employment0168504+504EST
Annual economic impact$0~$28M/yr~$84M/yr+$84M/yrEST

§5.2 — Environmental Delta

Environmental MetricState AState B — Designed PerformanceSource
Annual carbon displacement~0 tCO₂e/yr (methane generated)Designed for ~350,000 tCO₂e/yr displaced at 1,200 TPDEST
Water recovery$0 (no recovery)Designed for ~18M gallons/yr ultrapure water at 1,200 TPDEST
Industrial outputNoneSynthetic graphite, graphene compounds, recovered minerals — volumes pending feedstock characterizationNULL — data gap

Environmental figures are designed-performance basis from Carbotura standard parameters. Confirmed values require detailed feedstock characterization study. "Designed for" language applies — these are design targets, not guaranteed outputs.

§5.3 — PFAS Structural Delta

PFAS Structural Position: Under State A, JCW's biosolids land application program is subject to EPA PFAS tightening — removing or significantly restricting land application as a disposal pathway for PFAS-containing biosolids. This creates an open-ended regulatory liability for JCW with no current alternative pathway. Under State B, ACM converts biosolids to industrial materials — eliminating land application entirely and removing PFAS regulatory exposure from JCW's operational risk register. This structural shift is a material additional benefit to the biosolids stream transition, independent of fiscal analysis.

§5.4 — No-Fallback Analysis

Under State A, when the WM Johnson County Landfill closes (worst case 2037), the county has no contracted alternative — no WTE in Kansas, no new landfill siting underway, and nearest alternatives requiring 40–65 mile hauls. A new landfill in Johnson County is acknowledged as impractical (10–15 years to permit; "unlikely site for a new landfill" per SWMP history). The county's State A trajectory has no fallback — only reactive crisis management at the point of closure. ACM is the only infrastructure pathway that can be operational before the 2037 deadline under normal procurement timelines.

§6 — Risk and Sensitivity

§6 — Risk and Sensitivity

Structured risks · Feedstock variability · FWDC sensitivity · Royalty escalator · Timeline slippage

§6.1 — Risk Register

#RiskDriverDirectionMitigation
R1FWDC verification gapWM gate rate unpublishedFWDC could be higher or lower than $42/tonConfirm via KDHE data or WM contract during Term Sheet phase verification; floor ($100 TMC) unchanged regardless
R2WM landfill SUP non-renewal1-year SUP; methane/odor/blasting issuesAccelerates urgency significantlyACM deployment before 2037 removes dependency; earlier T0 narrows this risk window
R3Feedstock volume shortfallDiversion mandate changes; lower per-capita generationReduces royalty and displacementPhase Initial uses only residential streams; commercial and C&D streams provide volume buffer
R4Commercial hauler contract lock-in3–5 year commercial hauler agreementsDelays Phase Medium feedstock accessPhase Initial is fully independent of commercial streams; renewal cycles create access windows
R5ACM technology underperformanceOutput yield below design basisReduces royalty rate sustainabilityBorne entirely by Carbotura under BOO; county exposed only to Beneficiation Fee (unchanged)
R6Construction timeline slippagePermitting delays; supply chainDelays COD and first royalty3–4 center distributed model staggers risk; no single critical path for county service delivery
R7Regulatory change (PFAS, land use)EPA biosolids rules tighteningIncreases State A cost; ACM advantage widensACM positions county ahead of PFAS regulatory risk; benefit from regulatory tightening
R8Post-landfill haul cost shockWM landfill closure without ACM operationalSevere — $35–$53M/year additional costACM fully operational by Q3 2031 under Q3 2026 T0 — 6 years before worst-case closure
R9Site acquisition failure at P1Planning approval; land availabilityPhase Initial delayed or relocatedP2 (Olathe) is viable fallback; distributed model provides geographic alternatives
R10County political/administrative delayBOCC authorization timingCompresses operational buffer before 2037Term Sheet phase verification requires minimal commitment; authorizing in Q3 2026 maximizes buffer

§6.2 — Feedstock Variability ±20%

ScenarioTPDAnnual TPY
−20% feedstock960350,400
Base case1,200438,000
+20% feedstock1,200438,000

+20% scenario capped at 1,200 TPD Phase Expanded capacity. Upside feedstock above 1,200 TPD would require additional module investment. All figures ESTIMATED.

§6.3 — FWDC Sensitivity — Sign-Change Threshold

FWDC ScenarioBeneficiation FeeAnnual Gross Displacement30-yr Cumulative Change
FWDC $25/ton (below floor)$100/ton (floor)$3.7M/yr (Initial)No sign change — royalty positive regardless
FWDC $42/ton (planning basis)$100/ton (floor)$6.1M/yr (Initial)Base case — ~$450M cumulative at Yr 30
FWDC $75/ton$100/ton (floor — still)$11.0M/yr (Initial)Wider positive
FWDC $105/ton$100/ton (formula = $100)$15.3M/yr (Initial)Wider positive
FWDC $125/ton (above ceiling)$120/ton (formula: $125−$5)$18.3M/yr (Initial)Still strongly positive

The sign-change risk is limited to Year 1 only (pre-royalty, cost = Beneficiation Fee − $0 royalty).

§6.4 — Royalty Escalator Sensitivity

Escalator ScenarioYear 10 Royalty RateYear 30 Royalty Rate
0 pp/year (no escalation)120%120%
+1 pp/year (base case)129%149%
+2 pp/year (upside)138%178%

§6.5 — Timeline Slippage (T0 Delays)

T0 DatePhase Initial CODPhase Expanded CODBuffer Before 2037 ClosureImplication
Q3 2026 (recommended)Q3 2028Q3 20316 years full-scale before 2037Full operational buffer; maximum leverage
Q1 2028Q1 2030Q1 20334 years full-scale before 2037Compressed; Phase Expanded just operational before closure
Q1 2030Q1 2032Q1 20352 years before 2037Phase Expanded barely operational at closure; very limited buffer
Q1 2033Q1 2035Q1 2038None — closure before full opsCounty faces disposal crisis before ACM is fully operational

§7 — Decision Window Analysis

§7 — Decision Window Analysis

Binding constraints · Decision table · Irreversibility · Optionality

§7.1 — Binding Constraints

BINDING CONSTRAINT 1 — WM Landfill Closure, est. 2037: MARC Regional Landfill Capacity Study (Burns & McDonnell, January 2024). Not a projection the county controls. Hard external structural deadline.
BINDING CONSTRAINT 2 — ACM Lead Time (T0 to Phase Initial COD = 24 months): Term Sheet phase verification (3 months) + construction (18 months) + commissioning (3 months). 24-month minimum irreducible lead time from T0 to first COD. Cannot be compressed.
CONSTRAINT 3 — WM Shawnee SUP (annual renewal): 1-year SUP last issued November 2024. Annual renewal at risk due to odor/blasting/methane complaints. Non-renewal would create immediate disposal emergency — timeline for ACM would be compressed under emergency conditions.

§7.2 — Decision Window Table

DecisionLatest DateIf Missed
LOI/MOU executionQ3 2026 (recommended)Each quarter of delay reduces operational buffer before 2037 and increases probability of SUP non-renewal crisis
CSA execution (post-Term Sheet phase verification)~Q1 2027Phase Initial COD slips; 2037 buffer compresses
Phase Initial site confirmation~Q2 2027Construction timeline delays by one permitting cycle
Latest T0 for Phase Expanded before 2037 closureQ1 2033Phase Expanded would not be fully operational before worst-case landfill closure — county faces disposal crisis

Irreversibility Finding — Named Mechanism

The binding irreversibility mechanism is the Shawnee Special Use Permit for the WM Johnson County Landfill. The City of Shawnee granted only a 1-year SUP (November 2024, unanimous 7-0 vote) instead of the standard 4-year term, due to unresolved methane flaring, blasting operations, and odor complaints. If Shawnee declines to renew this permit at its next review, the WM landfill faces operational suspension — affecting 400–500 daily waste delivery trucks and ~80% of the county's waste stream. At that point, the county would have no contracted alternative and would need to negotiate emergency long-haul disposal at market-clearing rates ($80–$120/ton premium), with no ACM infrastructure in place. The only way to eliminate this irreversibility exposure before it materializes is to authorize Term Sheet phase verification now.

§7.4 — Optionality Matrix

OptionAvailable TodayAvailable in 2030Available in 2035
Execute the LOI/MOU (no commitment)✓ Open✓ Open✓ Open (diminished value)
Phase Initial COD before WM closure (2037)✓ Open✓ Open (narrow)Likely closed
Full Phase Expanded operational before WM closure✓ OpenMarginalClosed
New landfill siting in Johnson CountyImpractical (10–15 yr permit)ImpracticalImpractical
Negotiate regional haul to Lawrence/Topeka✓ Open (at $80–120/ton premium)✓ Open✓ Open (costly)

§8 — Effects Summary

§8 — Effects Summary

No new figures · All values trace to prior sections

§8.1 — Fiscal Effects

PeriodCounty PaysCounty Receives
Year 1 — Pre-Royalty$14.6M Beneficiation Fee (400 TPD)$6.1M FWDC avoided
Year 2 — Royalty Ramp$15.0M Beneficiation Fee$17.5M royalty + $6.1M FWDC
Year 10 (Expanded)$54.8M Beneficiation Fee$68.8M royalty + $18.4M FWDC
Year 30 (Expanded)$89.3M Beneficiation Fee$129.8M royalty + $18.4M FWDC
30-year cumulative (est.)All phases combined~+$450M cumulative

§8.2 — Regional Economic Effects

Disclaimer: The following figures represent regional economic activity, not county fiscal receipts. They are not general fund line items.

ItemState AState B (Expanded)
Direct FTE0144 EST
Total supported employment0504 EST
Annual economic impact$0~$84M/yr EST

§8.3 — Environmental Effects

Disclaimer: Environmental figures are stated on a designed-performance basis. Confirmed outputs require detailed feedstock characterization study.

MetricState AState B (Designed)Delta
Carbon displacementMethane generation (flaring documented)~350,000 tCO₂e/yr displaced ESTPositive
Water recovery$0~18M gallons/yr ESTPositive
Biosolids PFAS exposureLand application — EPA regulatory riskEliminated via ACM processingStructural improvement

§8.4 — Structural Effects

DimensionState AState B
Single-facility dependency100% — WM landfill (closing 2037)Eliminated — 3–4 distributed centers
Post-closure cost exposure$35–53M/year additional (est.)Eliminated under 30-year CSA
Capital risk$0 (WM BOO) · but closure shock is unplanned$0 county capital (Carbotura BOO)
WM SUP riskAnnual renewal riskEliminated as ACM phases up

§8.5 — Unresolved Data Gaps

Data GapImpact on AnalysisResolution Path
WM Johnson County Landfill confirmed gate rateFWDC planning basis ($42/ton) is ESTIMATED; all displacement figures are derived estimatesKDHE Solid Waste Database Viewer; direct WM contract disclosure; Term Sheet phase verification phase
Confirmed annual tonnage to WM landfill1,200 TPD addressable feedstock is per-capita ESTIMATED; actual may be ±15%KDHE annual tonnage reporting for KDHE Permit 263
JCW biosolids management costNULL — not included in State A cost analysis; underestimates total current system costJCW budget disclosure; FOIA request to county
ACM industrial output volumesSynthetic graphite, graphene compounds, recovered minerals output volumes pending feedstock characterizationDetailed feedstock characterization study (part of Term Sheet phase verification scope)
Post-2037 regional disposal cost$80–$120/ton additional haul cost is ESTIMATED; actual depends on receiving facility gate rates at closureKDHE regional disposal planning; MARC follow-on capacity study

Executive Implications — §8

  • From Year 2 onward, the county is better off under State B in every year, in every sensitivity scenario.
  • The unresolved data gaps do not change the directional conclusion. They affect the magnitude of the displacement component, not the sign.
  • The structural effects — eliminating single-facility dependency, avoiding the post-2037 cost shock, and removing PFAS biosolids exposure — represent non-fiscal benefits that do not appear in the dollar analysis but materially reduce the county's long-term risk profile.

Appendix A — Sources and Methodology

Appendix A — Sources and Methodology

FWDC derivation ($42/ton): EREF Analysis of MSW Landfill Tipping Fees 2024 — Kansas state average $34.78/ton (erefdn.org) + WM private operator premium adjustment. Stated as ESTIMATED throughout. Not confirmed from WM gate rate publication.
Beneficiation Fee formula: MAX($100, MIN($150, FWDC−$5)). Floor operative at planning basis FWDC. Carbotura standard parameters per Proposal EIR Input Block.
Phase sizing: Registry §D, confirmed in Proposal. Phase Initial 400 TPD (4 modules) / Medium 800 TPD (8 modules) / Expanded 1,200 TPD (12 modules). Module = 100 TPD.
Royalty formula: Royalty(m+13) = TMC(m) × Royalty_Rate(m). Base 120% Year 1; +1pp/year escalator. 13-month lag. From Proposal EIR Input Block.
Environmental performance basis: Carbotura standard parameters. ESTIMATED — confirms performance targets, not guaranteed outputs. Detailed feedstock characterization required for confirmed values.
Employment basis: Carbotura standard parameters — 12 direct FTE per 100 TPD; 2.5× indirect multiplier. ESTIMATED.
Timeline basis: Carbotura standard deployment schedule — T0 + 24mo Phase Initial COD; T0 + 42mo Phase Medium; T0 + 60mo Phase Expanded; T0 + 37mo first royalty payment.
Landfill closure 2037: MARC Regional Landfill Capacity Study, Burns & McDonnell Engineering, January 2024. marc.org/document/landfill-capacity-study
1-year SUP: Johnson County Post, November 13, 2024 (unanimous 7-0 Shawnee City Council approval of 1-year term; standard is 4-year). johnsoncountypost.com

Appendix B — Glossary Additions

Appendix B — Glossary Additions

Terms not in Waste Study glossary

Delta Model
This document's analytical framework — quantifies the difference between State A (current system) and State B (with ACM deployment). Does not re-diagnose; uses inputs from Waste Study and Proposal only.
Gross Cost Displacement
The FWDC per ton avoided by routing feedstock to ACM instead of disposal. Quantified separately from the Circular Royalty™.
Fiscal Flows, Shown Separately
Royalty received + FWDC avoided − Beneficiation Fee paid. Negative in Year 1 (−$8.5M at Initial). Positive from Month 13 (+$8.6M Year 2 at Initial). Growing to +$58.9M/year at Year 30 Expanded.
Pre-Royalty Period
Months 1–12 after first Beneficiation Fee payment at each ACM phase. County pays Beneficiation Fee; receives $0 royalty. Must be modeled as a distinct budget period — not averaged with royalty periods.
Royalty Ramp Period
Month 13 through approximately Month 24 after each phase COD. Rolling royalty payments begin at $120/ton base at Month 13. Ramp to full run-rate completes within ~12 months of royalty onset.
Steady-State Period
Year 2 onward within each phase, once rolling royalties are at full run-rate for the phase. Royalty rate escalates +1pp/year; TMC escalates +2.5%/year — the royalty rate grows faster.
State A
The current system: Johnson County disposes ~1,200 TPD at WM Johnson County Landfill; closing est. 2037–2043; FWDC $42/ton (ESTIMATED); no contracted alternative. Steel/grey color convention in all visuals.
State B
With Carbotura ACM: 400/800/1,200 TPD deployed across 3–4 distributed centers under 30-year BOO CSA; TMC $100/ton; Circular Royalty™ from Month 13. Emerald color convention in all visuals.
US GAAP
Generally Accepted Accounting Principles (United States). The accounting standard applied to all financial figures in this document and throughout the Johnson County engagement package. County government reporting basis: GASB (Governmental Accounting Standards Board).

Appendix C — Evidence Chain

Appendix C — Evidence Chain

FigureValueSourceType
FWDC blended$42/tonEREF 2024 Kansas avg + WM premium — erefdn.orgEST
State A annual disposal (1,200 TPD)$18.4MDerived: $42 × 438,000 TPYEST
Beneficiation Fee base$100/tonProposal EIR Input BlockLOCKED
Royalty base rate120% of the current-year Beneficiation FeeProposal EIR Input BlockLOCKED
Royalty escalator+1 pp/yearProposal EIR Input BlockLOCKED
Royalty lag13 monthsProposal EIR Input BlockLOCKED
Landfill closure 2037Worst-case 2037MARC Regional Landfill Capacity Study, Burns & McDonnell, Jan 2024VERIFIED
1-year SUP (Nov 2024)1-year onlyJohnson County Post, Nov 13 2024VERIFIED
Direct FTE (1,200 TPD)144Carbotura standard parameters (12 FTE/100 TPD)EST
Carbon displacement (1,200 TPD)~350,000 tCO₂e/yrCarbotura standard parametersEST
Was this economic impact report useful?
Indicative reference only — not an offer. All financial figures are Carbotura planning-basis estimates unless marked VERIFIED. FWDC of $42/ton is an ESTIMATED planning basis; feedstock volumes are derived from a per-capita model pending KDHE tonnage confirmation. The Beneficiation Fee of $100/ton and all royalty figures are ESTIMATED on Carbotura standard parameters and subject to Term Sheet confirmation. Johnson County Landfill (WM, Shawnee) operates under a 1-year Special Use Permit with a closure target of 2037. Exogenesis™ candidacy is subject to feedstock characterisation. Pricing is available under a Circular Supply Agreement (CSA) or a Circular Materials Offtake Agreement (CMOA) — contact Carbotura. The Beneficiation Fee and the Circular Royalty™ are independent gross transactions and are not netted anywhere in this package.