2025 SUSTAINABILITY REPORT
INTRODUCTION
PRODUCTS
ENVIRONMENT
PEOPLE
LEADERSHIP
SUPPLEMENT
17
ONE COLOR SPRUCE
ONE COLOR BLACK
ONE COLOR
Energy and Climate Impact
metric tons of CO 2 e, a decrease of 3% compared to 2024. Our GHG emissions intensity was 88 metric tons of CO 2 e/$ million sales, a decrease of 3% compared to 2024. These decreases primarily resulted from production changes relating to demand and increased manufacturing efficiencies. In 2025, we conducted an internal calculation of our Scope 3 emissions to deepen our understanding of our value chain impacts and identify additional opportunities for reduction. As sustainability regulations evolve—such as the California Climate Corporate Data Accountability Act—we continue to monitor emerging requirements to ensure we meet expectations for emissions reporting and climate-related risks.
We take an energy-smart approach to our manufacturing processes and transportation to reduce our energy and fuel consumption and consequent greenhouse gas (GHG) emissions. Our focus on energy efficiency applies to all the electricity, natural gas and fuel usage in our operations. In 2025, our overall energy usage totaled 412,975 MWh, a decrease of 3% compared to 2024. Our energy intensity was 352 MWh/$ million sales, a decrease of 5% compared to 2024. Our absolute carbon emissions (Scope 1 and 2) totaled 101,890 LOGO USAGE
Energy Use
Scope 1 & 2 GHG Emissions 4
2025
2025
2023
2024
2023
2024
412,975
32,951 66,296 68,939 99,247 101,890
Total energy use (electricity, natural gas and fuels) – MWh
369,186
426,922
Scope 1 – Metric tons CO 2 e
29,854 60,893 59,559 90,747 89,413
35,416 66,915 69,637 102,331 105,053
352
Energy use intensity – MWh/$ million sales
337
371
Scope 2 (location-based) – Metric tons CO 2 e Scope 2 (market-based) – Metric tons CO 2 e
Breakdown of Energy Use (MWh)
Scope 1 & Scope 2 (location-based) – Metric tons CO 2 e Scope 1 & Scope 2 (market-based) – Metric tons CO 2 e GHG emissions intensity (Scope 1 & Scope 2 market-based) – Metric tons CO 2 e/$ million sales
2025
2023
2024
237,590
Electricity for manufacturing Natural gas for manufacturing
209,089
237,014 170,773
88
82
91
157,716
144,613
N/A 5
Scope 3 – Metric tons CO 2 e
N/A
N/A
9,665 7,878
Propane for forklift trucks
8,994 6,490
10,202
Diesel for backup generators, fire pumps and intra-site transport Solar-generated electricity at Trex headquarters office (above right) 1
8,909
92
N/A
107
Breakdown of Energy Use 2025 (%) 2
Propane for forklift trucks 2.3%
Natural gas for manufacturing
38.2%
Diesel for backup generators, fire pumps and intra-site transport 1.9%
1 The headquarters office opened in June 2023 (above). 2 Totals may not add up to 100% due to rounding. 3 This includes on-site renewable energy generated as part of all administrative and support operations. 4 Location- and market-based GHG calculation methodologies are defined under the World Resources Institute GHG Protocol. 5 In 2025, we conducted an internal calculation of our Scope 3 emissions to deepen our understanding of our value chain impacts and identify additional opportunities for reduction.
57.5%
Electricity 3 for manufacturing
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