Carbon Credit Revenue Calculator

Voluntary carbon credits monetize emissions reductions — price per ton varies by type.

Tons CO2 reduced / year

Price / ton

Duration years

Annual verification

Issuance discount %

Net annual revenue

$251,000

Lifetime net revenue

$2,510,000

Effective $/ton net

$20.92

How the math works

Gross = tons × price. Net = gross × (1 − issuance) − verification.

12k × $25 = $300k × 0.92 = $276k − $25k = $251k net × 10 yrs = $2.51M lifetime.

How to Use

Enter tons CO2 reduced annually.
Enter price per ton (credit type).
Enter project duration years.
Enter verification cost.
Enter credit issuance discount %.
Read net annual revenue.

Frequently Asked Questions

Voluntary vs compliance markets?

Compliance: regulated (California Cap & Trade, EU ETS, RGGI, Colombia, Chile). Price: $30-90/ton CO2e recent trading. Voluntary: corporate buyers (Microsoft, Apple, Salesforce) purchasing for net-zero commitments. Price: $5-50/ton depending on project type, vintage, verifier. Quality/verification: high-quality (Verra VCS, Gold Standard, Climate Action Reserve) premium vs cheap offsets.

Project types for real estate?

Building energy efficiency: $10-35/ton (deep retrofits quantified). HVAC refrigerant management: $15-40/ton (leak prevention). Solar on building: $5-15/ton (avoided grid emissions). Forestry on owned land: $10-30/ton (planting, management). Regenerative ag: $15-45/ton (soil carbon). Direct air capture (DAC): $300-1,000/ton (emerging). Large-scale projects: 5,000-50,000 tons/year typical.

Verification and issuance costs?

Verifier fees (Verra, Gold Standard): $25-75k for initial project design + methodology approval. Annual verification: $15-50k (third-party auditor visit, emissions measurement, issuance review). Issuance fee to registry: 5-10% of credit price. Net revenue: gross × 90-95% after fees. Small projects (<5k tons/yr): uneconomical due to fixed verification cost.

Quality concerns?

Recent scrutiny on offsets: some forestry credits found to be overstated (trees that wouldn't have been cut regardless = non-additional). 'High integrity' credits require: (1) Additionality proof, (2) Permanence (trees don't burn), (3) No leakage (reduction doesn't shift emissions elsewhere), (4) Independent verification. New standards (ICVCM CCPs, IC-VCM) tightening. Buyers increasingly picky — low-quality credits trade at $2-8/ton, high-quality $25-50/ton.