Integrated TAM & TPB Models on Energy Conservation  

   Dr. Witharamalage Jayarathne

Supervisors: Prof. SWSB Dasanayake, Dr. DM Mudalige 

Department: Management of Technology

Faculty: Engineering 

This study develops a scientific model using incentives, regulatory regimes, and new technology products to conserve electricity. It covers the scientific way of blending different interventions for changing customer intention on energy conservation.

It guides policymakers to solve the current peak power deficit in Sri Lanka. The study covers the positivistic research philosophy with a mixed approach. It drives more towards the quantitative method and focuses on action research strategy while finalizing model tests with the Structural Equation Modeling technique.

The AMOS and SMART PLS – 3 software equally add scientific rigor, complexity, and relevance. Industrial, commercial, and domestic sectors were examined with a randomly selected sample of 1500. The finalized model was then validated using randomly selected 100 respondents with structured interviews. Significant relationships among research variables derive the policy directives on possible intervention mechanisms.

The findings show that existing incentive mechanisms on lower-end domestic customers are ineffective while partially mediating the commercial customers. However, there is no such mediation for industrial customers at all. Domestic customers are mediated by regulations on tariffs and new technology products. The scientific model developed in this study area contributes to advancing the existing body of knowledge with very many theoretical and empirical implications.



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