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Bioenergy

101 Bioenergy

Biomass Power Plants & Compost Plants - Supply Value Chain

Roi Et Provincial Overview

Roi Et Province is a major rice-producing province in Northeastern Thailand, characterized by large contiguous paddy fields, extensive irrigation networks, and strong farmer cooperative structures.
Rice cultivation dominates the provincial economy, resulting in substantial volumes of rice straw and rice husk biomass generated on a seasonal basis across multiple districts.

While these residues represent a significant renewable resource, they are still largely underutilized or disposed of through open burning, contributing to PM₂.₅ pollution and seasonal air-quality deterioration.
At the same time, intensive rice cultivation has placed increasing pressure on soil fertility, water efficiency, and farm profitability, creating an opportunity for integrated biomass-based solutions that deliver both environmental and economic benefits.

Roi Et is well positioned to develop a province-wide agricultural biomass value chain, where rice residues are systematically collected and upgraded into organic compost, renewable energy, and soil-carbon-enhancing products.
Such a model supports the transition from conventional residue disposal toward circular rice farming systems, reducing emissions while improving long-term productivity and resilience.

The Roi Et Bioenergy Initiatives framework is designed to leverage the province’s scale of rice production and cooperative-based farming culture to implement village-level biomass aggregation, sub-district composting facilities, and grid-connected renewable-energy projects.
Through coordinated action between provincial authorities, farmer organizations, and private-sector partners, Roi Et can become a benchmark province for low-carbon rice agriculture and sustainable biomass utilization in the Northeast.

Roi Et Province

Roi Et Province represents one of Thailand’s most scalable and policy-aligned biomass transition opportunities, combining clean-air impact, rural income generation, and bankable renewable-energy infrastructure.

Based on officially verified data provided by the Provincial Agricultural Office, the province generates approximately 1.95 million tonnes per year of rice straw and sugarcane leaves. Historically, a significant share of this biomass has been openly burned, contributing directly to PM2.5 pollution, public-health costs, and greenhouse-gas emissions.

Our platform converts this environmental liability into a provincial-scale clean-energy and circular-economy asset.

Integrated Provincial Design

The province is strategically structured into four district clusters, each functioning as an integrated biomass ecosystem:

Dedicated feedstock catchment
Biomass-to-power generation
Organic compost production
Community income participation
Digital MRV-ready carbon accounting

Across the four clusters, the platform enables:

121.92 MW of distributed biomass power generation
THB ~583 million per year in direct community income
~2.93 million tCO₂e per year of avoided greenhouse-gas emissions
~15,600 tons per year of PM2.5 reduction, directly addressing seasonal haze

District Cluster Highlights

Upper Roi Et Cluster (4 districts)

Biomass: 325,890 tons/year
Power capacity: 20.37 MW
Community income: THB 97 million/year
Climate & air-quality impact:
- ~489,000 tCO₂e/y avoided
- ~2,600 t/y PM2.5 reduced
Anchored by a 200,000 t/y organic compost plant, serving nearby agricultural zones

Central Cluster (7 districts)

Biomass: 490,973 tons/year
Power capacity: 30.69 MW
Community income: THB 147 million/year
Climate & air-quality impact:
- ~736,000 tCO₂e/y avoided
- ~3,900 t/y PM2.5 reduced
Supported by a 500,000 t/y compost facility, forming the province’s central circular hub

Lower-West Cluster (3 districts)

Biomass: 514,920 t/y
Power capacity: 32.18 MW
Community income: THB 154 million/y
Climate & air-quality impact:
- ~772,000 tCO₂e/y avoided
- ~4,100 t/y PM2.5 reduced

Lower-East Cluster (6 districts)

Biomass: 618,831 tons/year
Power capacity: 38.68 MW
Community income: THB 185 million/year
Climate & air-quality impact:
- ~928,000 tCO₂e/y avoided
- ~4,950 t/y PM2.5 reduced

Each of the three lower and central clusters is anchored by a 500,000 t/y organic compost facility, ensuring full utilization of biomass beyond energy generation and strengthening soil-carbon restoration.

Logistics & Storage Strategy

Biomass warehouses are deployed only where economically justified, typically beyond a 30–50 km radius from compost or processing facilities. This minimizes capital intensity while ensuring seasonal resilience and stable year-round feedstock supply.

Warehouses function as:

Aggregation and buffering nodes
Quality-controlled storage
Digital MRV data points (weight, origin, emissions)

Investment Rationale

This provincial platform delivers simultaneous returns across four dimensions:

Clean Air & Public Health – measurable PM2.5 reduction at provincial scale
Climate Impact – large-volume, verifiable GHG avoidance
Rural Income – direct cash flow to farmer communities
Bankable Infrastructure – modular biomass power and compost assets

The Roi Et platform is designed to be replicable across Thailand, positioning it as a cornerstone for national clean-air policy, Scope-3 decarbonization, and blended-finance deployment.

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