VERDINI — Biogas / AD Plant Tracker

🏭 Plant Type & Reactor Configuration

Select Plant Type

Reactor Type — 8 configurations supported

Select your digester type. Default HRT, OLR, and temperature ranges auto-fill based on selection.

🐄

Farm-Scale CSTR

HRT 20d · OLR 2.0

🏘️

Community Plant

HRT 25d · OLR 1.8

🌊

Covered Lagoon

HRT 40d · OLR 0.6

🏙️

Municipal WWTP

HRT 18d · OLR 3.5

♻️

Food Waste AD

HRT 15d · OLR 4.5

🏗️

Industrial CSTR

HRT 10d · OLR 6.0

⚗️

Two-Stage System

HRT 20d · OLR 3.0

🔬

UASB Reactor

HRT 6d · OLR 8.0

Project Name

Site / Location

Project Manager

Commissioning Date

Digester Volume (m³)

Number of Digesters

Hydraulic Retention Time — HRT (days)

Organic Loading Rate — OLR (kg VS/m³/day)

Operating Temperature

Baseline Methane Management Scenario (for carbon credit)

🌾 Feedstock Characterisation

Select Mode

Feedstock Mode — Homogeneous (single) or Heterogeneous (blended mix)

Select mode then define your feedstock. Blended mode auto-calculates weighted average BMP, TS%, and VS%.

🟢

Homogeneous

Single feedstock type

🔀

Heterogeneous / Blended Mix

Multiple feedstock types with ratios

🐄

Cattle Manure

BMP 250

🐷

Pig Manure

BMP 340

🐔

Poultry Litter

BMP 280

🍎

Food Waste

BMP 460

💧

Sewage Sludge

BMP 380

🌽

Maize Silage

BMP 340

🌾

Crop Residue

BMP 290

🌴

POME

BMP 240

🍺

Brewery Waste

BMP 420

🥩

Abattoir Waste

BMP 480

🌿

Grass / Silage

BMP 300

✏️

Custom

BMP 350

Daily Feedstock Input (tonnes/day)

Total Solids — TS (%)

Volatile Solids — VS (% of TS)

Biochemical Methane Potential — BMP (L CH₄/kg VS)

⚗️ Biogas Yield & Gas Quality

Auto-Calculated

—

m³ Biogas/day

—

m³ CH₄/day

—

kWh/day

—

tCO₂e/yr

Measured Biogas Flow Rate (m³/day) override

CH₄ Concentration (%)

H₂S Concentration (ppm) — Live/Lab

CHP / Engine Electrical Efficiency (%)

🌱 Carbon Credit Calculation

IPCC Tier 1

IPCC Tier 1 CH₄ avoidance formula: VS_annual × B₀ × MCF × 0.67 / 1000 = tonnes CH₄/yr × GWP₁₀₀(28) = tCO₂e/yr
MCF values: Open lagoon = 0.8 · Pit <1mo = 0.17 · Solid dry = 0.02 · Compost ≈ 0

Carbon Credit Registry & Standard

Carbon Credit Price (USD/tCO₂e)

Crediting Period (years)

Bo (Maximum Methane Production — default 0.24 m³/kg VS)

—

t CH₄ avoided/yr

—

tCO₂e/yr

—

Lifetime tCO₂e

—

Credit Revenue/yr

📡 Live Monitoring Dashboard

IoT / Manual

⚙️ Sensors

📅 Daily Log

🟫 Digestate

🚨 Alerts

🌡️NORMAL

Digester Temperature

Mesophilic: 35–38°C

—

°C

⚗️LIVE

Biogas Flow Rate

Daily production

—

m³/day

🧪NORMAL

pH / VFA-Alkalinity

Target: pH 7.0–7.5

—

☢️NORMAL

H₂S Concentration

Alert threshold: 500 ppm

—

ppm

💡LIVE

Energy Output

kWh generated today

—

kWh/day

🔬LAB

Total Ammonia N (TAN)

Inhibition risk >3,000 mg/L

—

mg N/L

Update Sensor Readings

Digester Temperature (°C)

Biogas Flow Rate (m³/day)

H₂S (ppm)

Energy Output (kWh)

TAN (mg N/L)

Daily Operation Log

Date	Biogas m³	CH₄%	H₂S ppm	Temp °C	pH	kWh	Feedstock t	Notes
2025-03-08	480	60	310	37	7.2	915	10.5	Normal
2025-03-07	475	61	290	37.5	7.3	905	10.2	—

🟫 Digestate Quality & Management

Daily Digestate Output (m³/day)

Digestate TS (%)

TKN — Total Kjeldahl N (mg/kg)

Phosphorus (mg/kg)

Potassium (mg/kg)

E. coli (CFU/g) — post-treatment

Digestate End-Use

Compliance Standard

✅

Digestate within compliance range

Enter E. coli and heavy metal values to verify compliance with selected standard.

✅

H₂S Within Safe Operating Range

H₂S level below 500 ppm engine protection threshold. Desulphurisation system functioning.

✅

Digester Temperature Stable

Temperature within mesophilic range. Microbial community stable.

⚠️

Enter Sensor Data to Activate Alerts

Go to Sensors tab and enter current readings to receive real-time threshold alerts.

💰 Revenue Streams & Financial Model

NPV / IRR

💵 Annual Revenue Inputs

Electricity Revenue (USD/yr)= kWh/day × 365 × electricity tariff

Electricity Tariff (USD/kWh) — for auto-calc

Digestate / Biofertiliser Revenue (USD/yr)

Gate Fee / Tipping Fee — waste intake (USD/yr)

Heat Revenue — thermal energy (USD/yr)

Other Revenue (USD/yr)

💼 CAPEX

Civil Works — lagoon, tanks, foundations (USD)

Digester / Reactor Equipment (USD)

Biogas Purification / Upgrading (USD)

CHP / Generator Unit (USD)

Digestate Management System (USD)

Controls, SCADA, IoT Sensors (USD)

Engineering, Permitting, Commissioning (USD)

Total CAPEX (auto)

📋 OPEX (annual)

O&M — labour, maintenance (USD/yr)

Feedstock Cost (USD/yr, if purchased)

Energy Cost — pump, blower, heating (USD/yr)

Insurance + Admin (USD/yr)

Total OPEX/yr (auto)

Currency

📈 Projections & De-Risk Parameters

Project Lifetime (years)

Discount Rate for NPV (%)

Revenue Growth (%/yr)

Plant Availability Factor (%)Planned + unplanned downtime. Typical AD: 85–92%

—

NPV

—

IRR %

—

Payback Yrs

—

LCOE $/kWh

🛡️ De-Risk Measures — Investor Confidence Checklist

Feedstock supply contract in place Energy offtake agreement / PPA signed Plant performance insurance Grid connection permit secured Environmental permit / EIA approved Carbon credit VVB (validator) appointed Carbon credit offtaker / buyer identified Verdini IoT monitoring deployed

De-risk score: 0 / 8

🌍 SDG Co-Benefits

7 Goals

SDG 2 — Zero Hunger

Digestate biofertiliser improves soil fertility · reduces synthetic fertiliser dependency

SDG 6 — Clean Water

Organic waste diversion prevents leachate contamination of water bodies

SDG 7 — Affordable Energy

Distributed renewable energy · displaces diesel / grid fossil electricity

SDG 8 — Decent Work

Local plant operation & maintenance jobs · feedstock logistics employment

SDG 12 — Responsible Production

Circular economy — waste-to-energy · digestate nutrient recovery closes loops

SDG 13 — Climate Action

Direct CH₄ avoidance from waste · displaces fossil fuel combustion

SDG 15 — Life on Land

Reduced open burning of waste · digestate as biofertiliser prevents deforestation pressure

Storage Health

Plant Summary

Plant Type

—

Volume

—

HRT

—

OLR

—

Feedstock Mode

—

Blended BMP

—

Carbon Credits

Annual CO₂e Avoided

0 t

IPCC AR6 GWP₁₀₀=28 (CH₄)

CH₄ Avoided/yr

—

Credit Standard

—

Credit Price

—

Credit Revenue/yr

—

Financial Summary

Total CAPEX

—

OPEX/yr

—

Annual Revenue

—

NPV

—

IRR

—

Payback

—

Export & Reports

🔥 Biogas / AD Plant Tracker

Platform

Trackers

Company