4 Section 116 This section was repealed by section 108 of, and Schedule 6 to, the Energy Act 2008. Section 121 Section 121(3) was inserted by section 40(1)(c) of the Energy Act 2008. Section 121A This section was inserted by regulation 2 of the Origin of Renewables Electricity (Power of Gas and Electricity Markets Authority to act for Northern Ireland Authority for Utility Regulation) Regulations 2008 (SI 2008/1888). Chapter 5 Sections 125 to 125C New sections 125 to 125C were substituted for section 125 by paragraph 2 of Schedule 7 to the Climate Change Act 2008. Section 126 Sections 126(5) to (8) were inserted by paragraph 3 of Schedule 7 to the Climate Change Act 2008. Sections 128 New sections 128(6) to(10) were substituted for sections 128(6) and (7) by paragraph 4 of Schedule 7 to the Climate Change Act 2008. Section 129 Section 126(7) was substituted by paragraph 5 of Schedule 7 to the Climate Change Act 2008. Sections 131A to 131C Sections 131A to 131C were inserted by paragraph 6 of Schedule 7 to the Climate Change Act 2008. Section 132 Section 132(3) was substituted by regulation 3 of the Energy Act 2004 (Amendment) Regulations 2012 (SI 2012/2723). Section 132(3A) was inserted by regulation 4 of the Energy Act 2004 (Amendment) Regulations 2012. Part 3 Chapter 1 Section 137 Section 137(3)(za) was inserted by regulation 50(3) of the Electricity and Gas (Internal Markets) Regulations 2011 (SI 2011/2704). Section 137(3)(f) was inserted by section 65(3)(b) of the Energy Act 2013. Chapter 3 Section 155 Sections 155(8) to (10) were inserted by section 48(3) of the Energy Act 2013. Section 166 Section 166(3A) was inserted by section 93(2) of the Energy Act 2011. Section 166(6A) and (6B) were inserted by section 93(3) of the Energy Act 2011. Section 171 Section 171(8) was substituted by paragraph 220(6) of Schedule 1 to the Companies Act 2006 (Consequential Amendments, Transitional Provisions and Savings) Order 2009 (SI 2009/1941). Chapter 4 Section 180 Section 180(2) was repealed by section 108 of, and Schedule 6 to, the Energy Act 2008. Section 184 Section 184 creates a scheme to reduce the cost of electricity distribution in areas with high electricity distribution costs. The AAHEDC scheme specifically covers the north of Scotland, currently the only area which receives assistance. Part of the tariff covers Shetland, and the remaining tariff covers the rest of the north of Scotland area.