CHAPTER ONE INTRODUCTION

            Background to Study

Electricity, the invisible input at the center of almost all life activities, is no longer a luxury for the rich elites that can afford sophisticated appliances but a necessity for even the rural poor that own only a mobile phone. Thondhlana and Kua (2016) asserted that energy is one of the fundamental requirements for both human life and economic development. It is at the center of a household’s basic activities and leisure enjoyment, industrial and service firms’ productivity and economic growth. Evidence of this is the outcry of citizens over indiscriminate and unannounced power outages and the efforts made by several governments to expand electricity accessibility to all citizens (Taale & Kyeremeh. 2016). Ghana, for instance, had an electricity accessibility of about 82.5% in 2016 (Kumi, 2017), with universal accessibility expected to be achieved by 2020. Though the heavy dependence on electricity can be attributed to several factors, key among them is the ongoing technological advancements that have made electricity an indispensable part of human life.

However, the quality of electricity supply in many countries, especially in Africa, is nothing to boast of. Both the production and transmission sectors are plagued with obsolete infrastructures, heavy dependence on rainwater, debt non-recoverability due to low tariff rates and illegal connections by consumers (Kumi, 2017). Most African countries have suffered from an unreliable supply of electricity over prolonged periods, which has affected the growth of their economies. In Ghana, ISSER (2015) reported that due to power crises in 2014, the country lost on average production worth about US$ 2.1 million per day. This translated to about US$ 680 million or about

2% of GDP. Similarly, the 2013 Ghana Enterprise Survey by the World Bank revealed that the provision of electricity to firms in Ghana is insufficient compared to international standards. This led to approximately 28% rise in the ownership or sharing of generators by firms from 2007 to 2012. In response to this limited supply is the continuous installation of thermal plants to augment the output from hydro sources. However, this decision comes with its own environmental repercussions that nations will like to avoid.

The aim of nations to increase the supply of electricity without compromising the quality of the environment has made end-user energy efficiency an important goal (Comer, 2008). Quaglione et al. (2017) indicated that the attitude of consumers toward energy conservation has become a great concern, influencing many national policies and deliberated in countless interdisciplinary studies. According to Filippini et al. (2014), among the top five European Union (EU) 2020 energy strategies, is an effort to increase energy efficiency. In Ghana, measures like the ban on the importation, production and sale of inefficient appliances point to the same objective (Dramani & Tewari, 2013).

Technically, electricity consumption efficiency can be achieved by reducing the use of outdated and inefficient electrical appliances. However, a good measure of electricity consumption efficiency needs to consider both technical and allocative efficiency. This is because the achievement of high technical efficiency without considering allocative efficiency will blur the expected results. A typical example is the case where one buys an energy saving bulb but leaves it on when not needed and still waste electric power. In such instances, Quaglione et al. (2017) indicated that the energy saving presumed to be obtained by the efficient appliance is partly or wholly offset by the inefficient behavior of the consumer, a phenomenon known as the ‘rebound effect’ in energy economics. Regarding this, Mizutani and Nakamura (2015) pointed out that, total

electricity demand can be divided into two sections; an irreducible amount irrespective of price and income levels and a reducible amount resulting from behavioral changes. They indicated that this consumption slack(s) will be a function of the household’s measures put in place to ensure electricity savings.

According to Carley (2012), electricity efficiency points to the use of both technology and operational measures that can yield the same or higher electricity services whiles using less electrical power. Whiles the adoption of efficient technology will reduce the technical inefficiency, operational methods adopted by a household goes a long way to influence the allocative efficiency. There is therefore a need to adopt a methodology that captures both technical and allocative efficiencies to ensure that reliable results are obtained.

Anderson (1993) indicated that paying attention to electricity consumption efficiency can lead to less expenditure on electricity, sustained supply of electricity and less greenhouse gas emission. Efficient consumption of energy has therefore been identified as one of the most cost-effective means of reducing carbon dioxide (CO2) emission, increasing energy supply security, improving industry competitiveness (Ang et al., 2010; Ozturk, 2013; Filippini et al., 2014) and sustainable economic development (Inglesi-Lotz & Pouris, 2012).

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