Integrity Rating · GS4238
Methane Gas Capture and Electricity Production at Kubratovo Wastewater Treatment Plant Sofia Bulgaria
Waste Management · Methane Recovery in Wastewater · Bulgaria
CORSIA-approved programmeA
72/100
Investment grade
confidence: high
Dimension breakdown · CCP-aligned
Additionality67 · w22
Over-crediting risk68 · w22
Permanence86 · w20
MRV & methodology rigor67 · w16
Double-counting & registry73 · w12
Co-benefits & safeguards70 · w8
Pro
🔒
AI-analyst due-diligence opinion
An executive read on the rating, anomalies the rubric can’t see, and the diligence questions to put to the developer, generated over the full project record. Available on Pro.
Upgrade to ProPro
🔒
Document review
Reads the project's design, monitoring and verification documents where available, then tests the additionality argument, baseline, and quantification against the methodology, with quotes. Available on Pro.
Upgrade to ProProject documents
- Project Design Document: 'Methane gas Capture and Electricity Production at Kubratovo Wastewater Treatment, Sofia Bulgaria' — Final Version, July 2005Download →pdd · hosted copy · 0 KB
- UNFCCC JI Determination Report for BG1000166 (uploaded 24 Jun 2010)Download →verification · hosted copy · 0 KB
- UNFCCC JI ITL Project Record BG1000166 — Kubratovo Wastewater Treatment, Sofia BulgariaDownload →other · hosted copy · 0 KB
- Fokus Zukunft Project Summary — GS4238, Methane Gas Capture and Electricity Production at Kubratovo WWTP (Sept 2022)Download →other · hosted copy · 464 KB
- PDD_02.02.2016_v4.pdf (Preliminary Review)Download →pdd · hosted copy · 5,946 KB
- GS Passport_31.03.2016_v5.pdf (Preliminary Review)Open →other · source link
- DEV_388 (1).pdf (Preliminary Review)Open →other · source link
- Validation Report_31.05.2016_v1.3.pdf (Design Review)Download →verification · hosted copy · 1,698 KB
- Transition Annex_01.04.2016_v2.2.doc (Design Review)Open →other · source link
- Verification Report_1st monitoring period_01.04.2014 to 31.05.2016_v1.4.pdf (Performance Review no. 1)Download →verification · hosted copy · 565 KB
- (1)Monitoring Report_1st monitoring period_01.04.2014 to 31.05.2016_v4.pdf (Performance Review no. 1)Download →monitoring · hosted copy · 1,781 KB
- Monitoring Report_2nd monitoring period_01.06.2016 to 31.08.2018_v4.pdf (Performance Review no. 2)Download →monitoring · hosted copy · 898 KB
- Verification Report_2nd monitoring period_01.06.2016 to 31.08.2018_v1.2.pdf (Performance Review no. 2)Download →verification · hosted copy · 451 KB
- Monitoring Report_3rd monitoring period_01.09.2018 to 31.08.2020_v4.pdf (Performance Review no. 3)Download →monitoring · hosted copy · 1,000 KB
- Verification Report_3rd monitoring period_01.09.2018 to 31.08.2020_v2.pdf (Performance Review no. 3)Download →verification · hosted copy · 544 KB
- PDD-Sofiyska_voda_renewal_v.06 _23.06.2021_clean.pdf (Crediting Period Renewal no. 1)Download →pdd · hosted copy · 3,050 KB
- GS_RCP REPORT_2021BGMD1_Sofiyska Voda_Rev 2.0Aa_29062021.pdf (Crediting Period Renewal no. 1)Open →other · source link
- SofiyskaVoda_4th_Monitoring_Report_2020-2021_v.06_clean.pdf (Performance Review no. 4)Download →monitoring · hosted copy · 2,391 KB
- GS_FVR_SOFIYSKA VODA_2022BGMD01_4.0Aa_20230320.pdf (Performance Review no. 4)Download →verification · hosted copy · 584 KB
- DEV_388.pdf (Performance Review no. 4)Open →other · source link
- Supplementary audit_SOFIYSKA VODA_2022BGMD01_2.0Aa_10052023.pdf (Performance Review no. 4)Open →other · source link
- Sofiyska_voda_VER_Calculation_ver.02_2020-21.xlsx (Performance Review no. 4)Open →other · source link
- Open →
- GS_FVR_SOFIYSKA VODA_2023BGMD03_2.0Aa_03012024.pdf (Performance Review no. 5)Download →verification · hosted copy · 1,035 KB
- annual report Gold standard.pdf (Performance Review no. 5)Open →other · source link
- SofiyskaVoda_MR_2021-2023_v.04_clean.pdf (Performance Review no. 5)Download →monitoring · hosted copy · 3,178 KB
- FVR_GS_FVR_SOFIYSKA VODA_2024BGCE951_17032025_Rev2Aa_.pdf (Performance Review no. 6)Download →verification · hosted copy · 615 KB
- Audit-Techniques_Sofiyska_voda(1).xlsx (Performance Review no. 6)Open →other · source link
- Open →
- SofiyskaVoda_MR_2023-2024_v.03_clean.pdf (Performance Review no. 6)Download →monitoring · hosted copy · 3,038 KB
- PDD_Sofiyska_voda_design_change_v.05_21.04.2026_clean.docx (Design Change | With VVB no. 1)Download →pdd · hosted copy · 12,120 KB
- FVR_GS_FINAL_DC_VAL_REP_Sofiyska Voda_2025BGCE473_22042026_Rev 05Aa.pdf (Design Change | With VVB no. 1)Download →verification · hosted copy · 863 KB
Primary documents located by the document review. Hosted copies are served from CarbonDecode; source links open the original registry or developer page.
Pro
🔒
Satellite & MRV review
Gathers satellite and Earth-observation evidence (Global Forest Watch forest-loss, MethaneSAT/IMEO, published analyses) for the project area and assesses reversal and emissions anomalies, with sources. Available on Pro.
Upgrade to ProScoring rationale · auditable trail
Pro
🔒
Line-by-line scoring rationale
See exactly why each dimension scored as it did, every rule, adjustment, and data point behind the grade. The auditable trail buyers and assurance teams need. Available on Pro.
Upgrade to ProRelated projects
All Methane Recovery in Wastewater →- ALinshu Biogas Recovery and Power Generation ProjectChina
- BBBMethane Capture, Flare and Utilization at Tyson Wastewater Treatment Facilities - AmarilloUnited States
- BBBWastewater Treatment with Biogas Production (UASB) and Heat Utilization at General Starch Co Ltd.Thailand
- BBBMethane Capture, Flare and Utilization at Tyson Wastewater Treatment Facilities - LexingtonUnited States
- BBBChol Charoen Group Wastewater Treatment with Biogas System I (Cholburi)Thailand
- BBBSD Biosupply Wastewater Treatment and Biogas Utilization ProjectThailand