An early adopter's journey to compound savings and carbon neutrality
Sumitomo Rubber South Africa (SRSA) is the South African subsidiary of Sumitomo Rubber Industries (SRI), a globally recognised tyre manufacturer headquartered in Kobe, Japan. SRSA manufactures tyres at its South African facility and serves both the domestic and export markets. As a multinational corporation with deep roots in the Sumitomo Business Philosophy — a philosophy rooted in integrity, sound management, and benefit to society — sustainability is not a peripheral concern for SRSA; it is embedded in the company's core strategic framework.
In August 2021, SRI published its long-term sustainability policy, 'Driving Our Future Challenge 2050', committing the group to a 50% reduction in carbon emissions by 2030 and full carbon neutrality by 2050. Against this backdrop, SRSA's investment in solar PV generation was both a financial imperative and a strategic alignment with global group policy.
The Early Adopter Advantage: Sumitomo Rubber SA was among the earlier commercial and industrial adopters of utility-scale solar PV in South Africa — and this timing has proven to be one of the most valuable aspects of the investment. Every year that electricity tariffs have increased since the system was commissioned, SRSA has realised compounding savings relative to what it would have paid Eskom for the equivalent energy. Unlike a simple year-on-year saving, these benefits are cumulative: as the tariff base rises, the value of each unit of solar-generated electricity grows proportionally. Over a system lifetime of 25 years, the financial advantage of early adoption is substantial and quantifiable.
For a high-consumption industrial facility running energy-intensive tyre manufacturing processes around the clock, the reduction in grid energy dependency directly improves the cost competitiveness of local production. In a sector where margins are under constant pressure and input costs are closely scrutinised, the decision to invest in renewable energy was not simply environmentally motivated — it was commercially astute.
Triple Bottom Line Reporting: As a listed multinational, Sumitomo Rubber is required to report against environmental, social, and governance (ESG) frameworks including the UN Sustainable Development Goals. The solar PV installation at the South African facility contributes directly to scope 1 and 2 emissions reduction targets, supports the group's SBTi-certified greenhouse gas reduction pathway, and forms part of a broader portfolio of sustainability initiatives at the site — including water recycling, plastic recycling, and the transition to hybrid company vehicles. SolarEPC is proud to have contributed to this journey.
TECHNICAL SPECIFICATIONS
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Sector: Manufacturing — Tyre Industry
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Location: South Africa
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Solar PV: 1.3 MWp
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Client Profile: Multinational — ESG reporting