ESG SUSTAINABILITY
2025 Greenhouse Gas Inventory Report
In accordance with ISO 14064-1:2018 standard. Base year: 2025. Organizational boundary: No. 16, Lane 267, Section 1, Zhangnan Rd., Changhua City
2025 Annual Total Emissions
95.56 tCO₂e
Direct Emissions
Refrigerant leakage > Mobile combustion
921.41 tCO₂e
Energy Indirect
Purchased electricity (largest emission source)
102.77 tCO₂e
Transportation Indirect
Employee commuting > International travel
219.38 tCO₂e
Upstream Indirect
Electricity transmission losses
Greenhouse Gas Composition
Emissions by Gas Type
CO₂ is the primary emission gas, accounting for over 95% of total emissions
95.33%
CO₂
1,276.6 tCO₂e
0.82%
CH₄
10.97 tCO₂e
0.05%
N₂O
0.71 tCO₂e
3.80%
HFCs
50.83 tCO₂e
Category Details
Scope 1 to 4 Emissions Analysis
Detailed emission sources and calculation basis
Scope 1 — Direct Emissions 95.56 tCO₂e (7.14%)
固定燃燒源
5.00 tCO₂e
移動燃燒源
28.96 tCO₂e
逸散排放
61.60 tCO₂e
Scope 2 — Energy Indirect 921.41 tCO₂e (68.81%)
Purchased electricity is the largest emission source. Calculation: 1,943,900 kWh × 0.474 kgCO₂e/kWh (Year 113 electricity emission factor)
Scope 3 — Transportation Indirect 102.77 tCO₂e (7.67%)
- Employee Commuting60.35 tCO₂e
- International Travel27.74 tCO₂e
- Downstream Product Transport14.68 tCO₂e
Scope 4 — Upstream Indirect 219.38 tCO₂e (16.38%)
- Indirect Electricity (Transmission Losses)215.38 tCO₂e
- Waste Disposal3.99 tCO₂e
Data Quality
Uncertainty Analysis
At 95% confidence level, full inventory data precision is "Good"
全清冊
±6.82%
數據精確程度「好」
類別1 (直接排放)
-1.78% ~ +3.03%
數據精確程度「高」
類別2 (能源間接)
±7.07%
數據精確程度「好」
Reduction Strategies
Toward Net Zero
Since purchased electricity accounts for 68.81% of total emissions, reduction strategies primarily target energy efficiency improvement
Process Equipment Upgrade
Replace old DC motors with high-efficiency IE3 motors, optimize process energy consumption
Resource Recycling
Reduce waste generation and promote circular economy
Energy Conservation
Promote sustainable habits: turn off lights, save water, reduce paper usage
Green Procurement
Choose eco-labeled or low-carbon products, prioritize local sourcing
Report Management & Verification
ISO 14064-3:2019 Internal Verification
Verification period: 2026/03/04 ~ 2026/04/17 | Frequency: annual All verifiers completed 40+ hours of qualified training Report purpose: Voluntary disclosure, preparing for future national policy trends