The document discusses electricity tariffs in Malaysia. It explains that tariffs are determined by the government and consist of standard supply and usage charges as well as a demand or capacity charge. It then describes the different types of tariffs and provides details of the domestic tariff system used in Malaysia, including pricing blocks. It also outlines the regulations established by the Energy Commission to ensure consumers receive reliable supply at reasonable prices, including guidelines for reviewing tariffs every six months. Examples are provided to demonstrate how to calculate tariff costs based on electricity usage.