Environmental
1. Energy (E6-1 · E6-2 · E6-3 · GRI 302 · ESRS E1)
1.1 Three-Year Energy Consumption (E6-1 · GRI 302-1) (Unit: TJ)
Item | 2023 | 2024 | 2025 | YoY Change (%) |
Total energy consumption | 138.579 | 157.496 | 166.128 | 8.632 (5.48) |
Electricity (non-renewable) | 127.856 | 143.565 | 152.417 | 8.852 (6.17) |
City gas (non-renewable) | 8.550 | 11.790 | 11.503 | −0.287 (−2.43) |
Diesel · kerosene · gasoline | 2.172 | 2.140 | 2.207 | 0.067 (3.13) |
1.2 Three-Year Energy Intensity (E6-2 · GRI 302-3)
Indicator | 2023 | 2024 | 2025 | YoY Change (%) |
Total energy consumption (TJ) | 138.579 | 157.496 | 166.128 | 8.632 (5.48) |
Revenue (separate, KRW 100 million) | 2,107 | 2,140 | 2,391 | 251 (11.72) |
Energy intensity (TJ / KRW 100 million) | 0.066 | 0.074 | 0.069 | −0.005 (−5.59) |
1.3 Energy Performance vs. Target (E6-3)
Item | 2025 Target | 2025 Actual |
Energy consumption (TJ, absolute) | 157.150 | 166.128 |
Energy intensity (TJ / KRW 100 million) | — | 0.069 |
*Target-based management of energy consumption began in 2025.
2. GHG Emissions (E6-5 ~ E6-10 · GRI 305 · ESRS E1 · TCFD)
2.1 Three-Year GHG Emissions (E6-6 · GRI 305-1 · 305-2) (Unit: tCO2eq)
Item | 2023 | 2024 | 2025 | YoY Change (%) |
GHG inventory (Scope 1+2) | 6,698.326 | 7,722.222 | 8,025.655 | 303.433 (3.93) |
Scope 1 (direct emissions) | 579.727 | 851.893 | 731.690 | −120.203 (−14.11) |
Scope 2 (indirect emissions, location-based) | 6,118.599 | 6,870.329 | 7,293.965 | 423.636 (6.17) |
2.2 Three-Year GHG Intensity (E6-7 · GRI 305-4) (Unit: tCO2eq / KRW 100 million)
Indicator | 2023 | 2024 | 2025 | YoY Change |
Scope 1 intensity | 0.275 | 0.398 | 0.306 | −0.092 (−23.12) |
Scope 2 intensity | 2.905 | 3.210 | 3.051 | −0.159 (−4.95) |
Scope 1+2 intensity | 3.180 | 3.608 | 3.357 | −0.251 (6.96) |
2.3 GHG Performance vs. Target (E6-8)
Item | 2025 Target | 2025 Actual | vs. Target |
Scope 1 (tCO2eq) | 853.100 | 731.690 | −121.410 |
Scope 2 (tCO2eq) | 6,859.450 | 7,293.965 | 434.515 |
Scope 1+2 total (tCO2eq) | 7,712.550 | 8,025.655 | 313.105 |
Intensity target (tCO2 / KRW 100 million) | 3.687 | 3.357 | −0.330 |
*GHG targets have been set and managed starting in 2025.
2025 Site-Level GHG Emissions and Energy Use Breakdown (New)
Quantitative Scope 1 and Scope 2 breakdown by four sites: Seocho Headquarters, Wonju Plant, Songdo Plant, and Songdo No. 2 Plant. For Songdo No. 2 Plant, energy Scope 1 = 3.538 TJ and Scope 2 = 27.711 TJ (verification correction finalized).
Site | Scope 1 (Direct Emissions) | Scope 2 (Indirect Emissions) | Total (tCO2eq) |
Headquarters (Seocho) | 121.509 | 543.079 | 664.588 |
Wonju Plant | 348.801 | 2,623.814 | 2,972.615 |
Songdo Plant | 77.533 | 2,800.958 | 2,878.491 |
Songdo No. 2 Plant | 183.847 | 1,326.113 | 1,509.960 |
Total | 731.690 | 7,293.965 | 8,025.655 |
*Due to rounding, the sum of itemized emissions may differ from the total. Unit: tCO2eq (tonnes of carbon dioxide equivalent).
Site | Scope 1 Direct (TJ) | Scope 2 Indirect (TJ) | Total (TJ) |
Headquarters (Seocho) | 1.807 | 11.348 | 13.155 |
Wonju Plant | 6.848 | 54.828 | 61.676 |
Songdo Plant | 1.518 | 58.530 | 60.048 |
Songdo No. 2 Plant | 3.538 | 27.711 | 31.249 |
Total | 13.711 | 152.417 | 166.128 |
*Unit: TJ (terajoules). Songdo No. 2 Plant: Scope 1 = 3.538, Scope 2 = 27.711.
2.4 GHG Emissions Monitoring (E6-5)
· Inventory management: Periodic inventory management of Scope 1 and Scope 2 emission sources at the Wonju site, with calculation and recording based on monthly energy use (electricity, LNG, and steam).
· Emissions calculation: Based on the national GHG emission factors (notified by the Ministry of Environment), recorded monthly on an Excel basis and aggregated annually.
· Reduction activities: Seasonal load analysis and operational optimization of utility equipment (HVAC, compressed air), HVAC outside-air temperature control, and compressed-air idle-time pressure control.
· Monthly indicator management: Monthly review of energy efficiency indicators and periodic reporting of reduction performance.
· Smart Electricity Use Statements: Monthly check of GHG use by department at Seocho Headquarters.
2.5 Climate Change Mitigation Activities — Carbon Neutral Challenge (E6-9 · GRI 305-5 · TCFD Strategy)
Performance (Seocho Headquarters) | 2024 | 2025 | Reduction |
Electricity use (kWh) | 1,229,495 | 1,179,961 | −49,534 (−4.03%) |
GHG emissions¹ (tCO2eq, Scope 2 location-based) | 564.830 | 542.074 | −22.756 (−4.03%) |
¹ Applies the indirect emission factor of 0.4589 tCO2eq/MWh announced by the Korean Ministry of Environment for 2023–2024, using the GHG Protocol Scope 2 Guidance location-based method. Aligned with the Scope 2 calculation methodology of the Korea Emissions Trading Scheme (K-ETS).
2.6 Three-Year Environmentally Friendly Vehicles (E6-11)
Item | 2023 | 2024 | 2025 | YoY (2024 → 2025) |
Environmentally friendly vehicles (hybrid) | 0 units | 3 units | 10 units | +7 units (+233%) |
Total vehicles | 40 units | 43 units | 38 units | — |
Environmentally friendly vehicle share | 0% | 7.14% | 26.3% | — |
3. Water Resources (E4 · GRI 303 · ESRS E3)
3.1 Three-Year Water Withdrawal (E4-2 · GRI 303-3)
Water Source | 2023 (tonnes) | 2024 (tonnes) | 2025 (tonnes) | YoY |
Surface water | 0 | 0 | 0 | — |
Groundwater | 0 | 0 | 0 | — |
Seawater | 0 | 0 | 0 | — |
Third-party-supplied water (municipal · industrial water) | 22,500 | 29,911 | 26,431 | −11.6% |
3.2 Three-Year Water Consumption (E4-4 · GRI 303-5)
Item | 2023 | 2024 | 2025 | YoY |
Non-renewable water consumption (tonnes) | 22,500 | 29,911 | 26,431 | −11.6% |
Renewable water consumption (tonnes) | 0 | 0 | 0 | — |
Total consumption (tonnes) | 22,500 | 29,911 | 26,431 | −11.6% |
Water reused (tonnes) | 0 | 0 | 0 | — |
3.3 Water Consumption Target and Reduction (E4-5)
Item | 2025 Target (tonnes) | 2025 Actual (tonnes) | Achievement |
Water consumption | 33,184 | 26,431 | 20.3% reduction |
3.4 Three-Year Wastewater Discharge (E4-7 · GRI 303-2 · 303-4)
Item | 2023 | 2024 | 2025 | YoY |
Discharge (tonnes) | 0 | 0 | 0 | Maintained (consigned treatment in full) |
The Company reports that wastewater discharge across all sites is maintained at 0 tonnes; all wastewater is lawfully consigned and treated through licensed contractors. In accordance with the Water Environment Conservation Act, the Company operates prior licensing for wastewater discharge facilities, periodic inspections, and the appointment and training of environmental technicians.
4.Waste (E7 · GRI 306 · ESRS E5)
4.1 Three-Year Waste Generation (E7-4 · GRI 306-3)
Category | 2023 (tonnes) | 2024 (tonnes) | 2025 (tonnes) | YoY (2024 → 2025) |
General waste | 343.09 | 360.78 | 372.92 | 3.4% |
Designated waste | 27.00 | 26.95 | 35.41 | 4.7% |
Total weight | 370.09 | 387.73 | 408.33 | 3.5% |
4.2 Three-Year Waste Reuse and Recycling (E7-6 · GRI 306-4)
Item | 2023 | 2024 | 2025 | YoY (2024 → 2025) |
Total recycled (tonnes) | 314.38 | 352.67 | 377.07 | 6.92% |
Recycling rate | 84.97% | 90.96% | 92.34% | 1.38% |
Landfill rate | 0% | 0% | 0% | — |
4.3 Three-Year Waste Treatment (E7-7 · GRI 306-5)
Treatment Method | 2023 (tonnes) | 2024 (tonnes) | 2025 (tonnes) | YoY |
Incineration (without energy recovery) | 48.31 | 25.46 | 31.26 | +22.27% |
Landfill | 0 | 0 | 0 | — |
Other (recycling, etc.) | 314.38 | 352.67 | 377.07 | +6.92% |
Total processed | 362.69 | 378.13 | 408.33 | +7.97% |
Maintaining a 0% landfill rate for three consecutive years is a core KPI of EU CSRD ESRS E5 (Resource Use and Circular Economy) and represents excellent performance significantly above the medical device industry average.
4.4 Waste Management Policy (E7-1 · E7-2)
The Company defines and manages the actual and potential impacts of waste generated throughout its blood glucose meter and test strip manufacturing processes (resource depletion and carbon emissions from the discharge of waste synthetic resin, waste glass, and waste boards; soil and groundwater contamination risks arising from chemical leaks during transportation and treatment). Operations are based on three axes: thorough source separation, transparency through the Allbaro system, and supply-chain environmental risk management (annual on-site due diligence).
5. Biodiversity (E5 · GRI 101 · ESRS E4 · TNFD)
For the reporting period, the assessment of whether i-SENS sites (Seocho, Wonju, Songdo, Songdo No. 2, and China Jiangsu) are located near IUCN protected areas, Key Biodiversity Areas (KBA), or endangered-species habitats is disclosed via an LEAP four-step analysis (Locate, Evaluate, Assess, Prepare) integrated into the 06-9 TNFD Index chapter immediately prior to publication. Quantitative data on this page (E5-1 ~ E5-4) will be reflected in the next update.
6. Climate and Environmental Governance (TCFD 4-Axis Alignment)
TCFD Pillar | Alignment on this Page |
Governance | Environmental Management Team within the Ethics Management Office + Board of Directors ESG Committee oversight — linked to the "Board of Directors" section (p. 1700) |
Strategy | Carbon Neutral Challenge + efficiency improvements of the Songdo No. 2 CGM line + RE100 review |
Risk Management | Monthly inventory monitoring + appointment of environmental technicians + verification of contractor lawfulness |
Metrics & Targets | GHG intensity 3.687 → 3.298 (10.5% over-achievement) · Energy intensity −4.4% · Landfill rate 0% |
7. Global Standards Mapping Matrix
Area | EDM ID | GRI | ESRS | TCFD / IFRS S2 | CDP |
Energy | E6-1, E6-2, E6-3, E6-4 | 302-1, 302-3, 302-4, 302-5 | E1-5 | S2 Metrics | C8 Energy |
GHG emissions | E6-5, E6-6, E6-7, E6-8, E6-9, E6-10 | 305-1, 305-2, 305-3, 305-4, 305-5 | E1-1 ~ E1-9 | S2 Strategy · Metrics | C6, C7 Emissions |
Environmentally friendly vehicles | E6-11 | 305-5 | E1-3 | — | — |
Water resources | E4-1 ~ E4-7 | 303-1 ~ 303-5 | E3-1 ~ E3-5 | — | W1 Water Security |
Waste | E7-1 ~ E7-8 | 306-1 ~ 306-5 | E5-1 ~ E5-5 | — | F0 Forests (partial) |
Biodiversity | E5-1 ~ E5-4 | 304-1 ~ 304-4 | E4-1 ~ E4-6 | — | TNFD LEAP |
Pollution | E4-7 + E7 | 305-7, 306-3 | E2-1 ~ E2-6 | — | — |
8. Three-Year KPI Trend Summary (ESRS 1 7.1 Comparability Principle)
Area | Key KPI | 2023 | 2024 | 2025 | YoY (2024 → 2025) | Global Alignment |
Total energy | Total energy (TJ) | 138.579 | 157.496 | 166.128 | 8.632 (5.45) | GRI 302-1 |
Energy efficiency | Energy intensity (TJ / KRW 100 million) | 0.066 | 0.074 | 0.069 | −0.005 (−5.96) | GRI 302-3 |
Total GHG | Scope 1+2 (tCO2eq) | 6,698.328 | 7,722.222 | 8,025.655 | 303.433 (3.92) | GRI 305-1 · 305-2 |
GHG efficiency | Intensity (tCO2 / KRW 100 million) | 3.180 | 3.608 | 3.357 | −0.251 (6.96) | GRI 305-4 |
Scope 1 reduction | Scope 1 reduction | — | — | 124.95 | 14.6% | GRI 305-5 |
Eco-friendly vehicles | Hybrids in fleet (units) | — | 3 | 10 | 7 (2.33) | — |
Water resources | Water consumption (tonnes) | 22,500 | 29,911 | 26,431 | −20.3% (vs. target) | GRI 303-5 |
Water resources | Discharge (tonnes) | 0 | 0 | 0 | Maintained | GRI 303-4 |
Waste generation | Total waste (tonnes) | 370.09 | 387.83 | 401.147 | 3.5% | GRI 306-3 |
Waste circularity | Recycling rate (%) | 84.97% | 90.96% | 94.0% | 3.04 | GRI 306-4 · ESRS E5 |
Waste circularity | Landfill rate (%) | 0% | 0% | 0% | Maintained | ESRS E5 |
Carbon-neutral activity | Electricity reduction at HQ (kWh) | — | Baseline | −49,594 | −4% | GRI 305-5 |
Carbon-neutral activity | GHG reduction at HQ (tCO2eq) | — | Baseline | −22.756 | — | GRI 305-5 |