A Hybrid Fuzzy AHP–TOPSIS Approach for Ranking Sustainable Green Technology Innovations

Year 2025, Volume: 21 Issue: 2, 62 - 83, 21.12.2025

Kadriye Doğanay Aytaç Yildiz

Abstract

Today, environmental sustainability has become a strategic necessity in the face of global challenges such as climate change, depletion of natural resources, and rising carbon emissions. In this context, green technology innovations play a critical role in developing environmentally friendly production processes, enhancing energy efficiency, and supporting sustainable development goals. However, accurately assessing the performance of these technologies requires a multidimensional and uncertainty-based decision-making framework.
In this study, a model based on a hybrid Fuzzy AHP–Fuzzy TOPSIS approach was developed to evaluate the performance of green technology innovations. In the first stage, ten main criteria were identified and pairwise compared by three experts, and the criterion weights were calculated using the Fuzzy Analytic Hierarchy Process (Fuzzy AHP). In the second stage, these weights were integrated into the Fuzzy TOPSIS method to rank nine alternative green technology innovations according to their closeness coefficients.
The findings reveal that, when environmental, technological, and economic dimensions are jointly considered, green hydrogen, carbon capture, and energy-efficient coding technologies achieve the highest performance values. The proposed hybrid model provides a reliable and flexible methodological framework for guiding sustainable technology investments and designing green transformation policies.

Keywords

Green technology , green innovation , fuzzy AHP , fuzzy TOPSIS , sustainability

Thanks

This study was supported by TÜBİTAK under the 2209-A Research Project Support Programme for Undergraduate Students. The authors would like to thank TÜBİTAK for its support

Sürdürülebilir Yeşil Teknoloji İnovasyonlarının Sıralanmasında Hibrit Bulanık AHP–TOPSIS Yaklaşımı

Abstract

Günümüzde çevresel sürdürülebilirlik, iklim değişikliği, doğal kaynakların tükenmesi ve artan karbon emisyonları gibi küresel sorunlar karşısında stratejik bir gereklilik haline gelmiştir. Bu kapsamda yeşil teknoloji inovasyonları, çevre dostu üretim süreçlerinin geliştirilmesi, enerji verimliliğinin artırılması ve sürdürülebilir kalkınma hedeflerinin desteklenmesinde kritik bir rol üstlenmektedir. Ancak bu teknolojilerin performansının doğru biçimde ölçülmesi, çok boyutlu ve belirsizlik içeren bir karar ortamını gerektirmektedir.
Bu çalışmada, yeşil teknoloji inovasyonlarının performansını değerlendirmek amacıyla Hibrit Bulanık AHP–Bulanık TOPSIS yaklaşımına dayalı bir model geliştirilmiştir. İlk aşamada, belirlenen on temel kriter üç uzman tarafından ikili karşılaştırmalarla değerlendirilmiş ve kriter ağırlıkları bulanık AHP yöntemi kullanılarak hesaplanmıştır. İkinci aşamada ise, bu ağırlıklar bulanık TOPSIS yöntemi kapsamında kullanılarak dokuz alternatif yeşil teknoloji inovasyonları yakınlık katsayılarına göre sıralanmıştır.
Elde edilen bulgular, çevresel, teknolojik ve ekonomik boyutların birlikte değerlendirildiği analizlerde yeşil hidrojen, karbon yakalama ve enerji verimli kodlama teknolojilerinin en yüksek performans değerlerine ulaştığını göstermektedir. Geliştirilen hibrit model, sürdürülebilir teknoloji yatırımlarının yönlendirilmesi ve yeşil dönüşüm politikalarının tasarımında karar vericilere güvenilir ve esnek bir yöntemsel çerçeve sunmaktadır.

Keywords

Yeşil teknoloji , yeşil inovasyon , bulanık AHP , bulanık TOPSIS , sürdürülebilirlik

Thanks

Bu çalışma, TÜBİTAK 2209-A Üniversite Öğrencileri Araştırma Projeleri Destekleme Programı kapsamında desteklenmiştir. Yazarlar, desteklerinden dolayı TÜBİTAK’a teşekkür eder.

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