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Updated to 26 September 2025 (Act No. 10 of 2025 and S.I. No. 416 of 2025)

All effects below are reflected in the most recent Revised Act.

Electricity (Supply) Act 1927
No. 27 of 1927

Contents

Commencement

SectionCommencement DateCommencement Information
Whole Act 28 May 1927 Commenced on enactment

Amendments and other effects

How AffectedAffecting Provision
Act included in collectively cited Electricity (Supply) Acts 19/1930, s. 15(2), (3)
Collectively cited Electricity (Supply) Acts included in collectively cited ESB Acts 5/2014, s. 9(2), (3)
Application extended and references to "authorised undertaker" construed as including references to "holder of an authorisation or the holder of a direct line permission" 23/1999, ss. 1(2), 50(2), (3), (4)
References to "electric line" construed 5/2014, ss. 4(1), 9(3)
  12/1945, s. 46(2)
Application restricted S.I. No. 477 of 2011, regs. 1(3), 42(22), sch. 2 (col. cit.)
  23/1999, ss. 1(2), 16(2)
  35/1958, s. 9(2)(c), (d) (col. cit.)
Functions transferred and references to Minister for Finance construed S.I. No. 418 of 2011, arts. 1(2), 3 & sch. 1
Functions transferred and references to Minister construed S.I. No. 300 of 2002, arts. 1(2), 4(1)(a) & sch. pt. 1 (col.cit.)
  S.I. No. 9 of 1980 (col. cit)
  S.I. No. 295 of 1977 (col. cit.)
  S.I. No. 125 of 1959 (col. cit.)
S. 1 references construed 1/2014, ss. 1(22), 9(2),(3)
S. 2(3) references construed 6/1977, s. 23 (3), (4)
S. 2(6) application restricted 17/1988, s. 6(2),(3)
S. 2(7) amended 2/1961, s. 11
S. 3 repealed 35/1958, s. 9(5)
S. 6 application extended 9/2001, s. 5
S. 6(2) references construed 6/1977, s. 25
S. 7 application extended 4/1935, s. 17
S. 7(1), (2), (3) application restricted 35/1958, s. 6(2)
S. 7(3), (4) amended 2/1961, s. 12
S. 8 application extended 4/1935, s. 16
S. 8(3), (4) deleted 33/2004, ss. 3, 4, 61(1), 63, sch. 2, pt. 1
S. 10 repealed 6/1977, s. 31(a)
S. 11 repealed 3/2012, ss. 1(2), 22(a)
S. 12(1) amended 10/2011, ss. 1(2), 6, 27(a)
S. 12(2) substituted 26/1929, s. 2
S. 12(3) application restricted 19/1930, s. 4
S. 12(4), (5) application extended 4/1935, s. 13(3)
  32/1931, s. 3(3)
S. 12(6) amended 10/2011, ss. 1(2), 6, 27(b)
S. 13 application extended 4/1935, s. 13(4)
  32/1931, s. 3(4)
S. 13(1) amended 19/1930, s. 5(a)
S. 13(5) inserted 19/1930, s. 5(b)
S. 14 application extended  4/1935, s. 13(4)
  32/1931, s. 3(4)
S. 14 power of Minister to vary rate under 19/1930, s. 6
S. 15 application restricted 26/1929, s. 3(1)
S. 15 references to "the said advances" construed 19/1930, s. 3(4)
  26/1929, s. 3(2)
S. 15(3) amended 19/1930, s. 7(a)
S. 15(6) substituted 19/1930, s. 7(b)
S. 15(10) inserted 19/1930, s. 7(c)
S. 15(10) amended 15/1932, s. 3
S. 15(11) inserted 19/1930, s. 7(c)
S. 16 repealed 24/1972, s. 4
S. 16 application extended 4/1935, s. 13(4)
  32/1931, s. 3(4)
S. 17(3) repealed 17/1954, s. 16(2)
Ss. 19 , 20 certain functions of Board regarded as functions of Distribution System Operator S.I. No. 280 of 2008, regs. 1, 24(b)
Ss. 19, 20 certain functions of Board regarded as functions of Transmission System Operator S.I. No. 445 of 2000, regs. 1(2), 8(2)(b)
Ss. 19, 20 references to "transmission system of the Board" construed as "transmission system of transmission system operator" S.I. No. 445 of 2000, reg. 25(1)(d), (e) as inserted by S.I. No. 619 of 2022, reg. 3(d)(iii)
S. 20(3) application extended 1/1941, s. 3(1)
  15/1932, s. 5(1)
S. 21 repealed 9/2001, s. 10
Ss. 27, 28 certain functions of Board regarded as functions of Distribution System Operator S.I. No. 280 of 2008, regs. 1, 24(b)
Ss. 27, 28 certain functions of Board regarded as functions of Transmission System Operator S.I. No. 445 of 2000, regs. 1(2), 8(2)(b)
Ss. 27, 28 references to "transmission system of the Board" construed as "transmission system of transmission system operator" S.I. No. 445 of 2000, reg. 25(1)(d), (e) as inserted by S.I. No. 619 of 2022, reg. 3(d)(iii)
S. 32 application extended 12/1945, s. 45
  4/1935, s. 18
S. 33 repealed subject to transitional provisions 12/1949, ss. 2(7), 17, sch.
S. 34 repealed subject to transitional provisions 12/1949, ss. 2(7), 17, sch.
S. 35(1) amended 32/2022, ss. 11, 13(2)
  23/1999, ss. 1 (2), 42
S. 36 repealed  23/1999, ss. 1(2), 41
S. 37 repealed subject to transitional provisions 23/1999, ss. 1(2), 15(4), 41
S. 37(9) inserted S.I. No. 292 of 1998, reg. 2
S. 39(9), (11) application extended 4/1952, s. 9
S. 39(9), (11) references to "same terms" construed 27/1942, s. 3
S. 44 certain functions of Board regarded as functions of Distribution System Operator S.I. No. 280 of 2008, regs. 1, 24(b)
S. 44 certain functions of Board regarded as functions of Transmission System Operator S.I. No. 445 of 2000, regs. 1(2), 8(2)(b)
S. 44 references to "transmission system of the Board" construed as "transmission system of transmission system operator" S.I. No. 445 of 2000, reg. 25(1)(d), (e) as inserted by S.I. No. 619 of 2022, reg. 3(d)(iii)
S. 45 Minister for Fisheries construed S.I. No. 30 of 1977
  S.I. No. 83 of 1965
  S.I. No. 67 of 1957
  S.R. & O. No. 40 of 1934
  6/1928. ss. 3(3), 5(2)
S. 45(1) application extended and references to "making of special orders" construed 23/1999, s. 1(2), 47(1)
S. 45(5)(a) amended 23/1999, ss. 1(2), 43
S. 45(5)(b) amended 38/1934, s. 17(1)
S. 47 Minister for Fisheries construed S.I. No. 30 of 1977
  S.I. No. 83 of 1965
  S.I. No. 67 of 1957
  S.R. & O. No. 40 of 1934
  6/1928. ss. 3(3), 5(2)
Ss. 47, 51 certain functions of Board regarded as functions of Distribution System Operator S.I. No. 280 of 2008, regs. 1, 24(b)
Ss. 47, 51 certain functions of Board regarded as functions of Transmission System Operator S.I. No. 445 of 2000, regs. 1(2), 8(2)(b)
Ss. 47, 51 references to "transmission system of the Board" construed as "transmission system of transmission system operator" S.I. No. 445 of 2000, reg. 25(1)(d), (e) as inserted by S.I. No. 619 of 2022, reg. 3(d)(iii)
S. 51 application extended 23/1999, ss. 11(2), 48
S. 51(1) references to "lines" construed as "electric lines" 5/2014, ss. 4(2), 9(3)
  12/1945, s. 46
S. 51(1), (2) application extended 20/1935, s. 2(1), (2)
S. 52 reference to "road" construed as including "street" 20/1935, s. 3
S. 52(1) application extended 23/1999, ss. 1(2), 48
S. 53(1), (3)-(5), (9) application extended  5/2014, ss. 5(1), 9(3)
S. 53(1)-(5), (9) application extended and references to "Board" construed  23/1999, ss. 1(2), 49
S. 53(2) application restricted 5/2014, ss. 6, 9(3)
S. 53(2) application extended 20/1935, s. 4
S. 53(3), (4), (5) amended 12/1945, s. 46(4), (5)
S. 53(5) substituted 6/1985, s. 1
S. 53(5) declared invalid*
S. 54 application extended and references to "authorised undertaker" construed as including references to "holder of an authorisation or the holder of a direct line permission" 23/1999, ss. 1(2), 50(1)
S. 55 functions transferred from Minister for Communications to Minister for the Marine S. I. No. 91 of 1987, art. 4, sch.
Ss. 58 , 59, 62 certain functions of Board regarded as functions of Distribution System Operator S.I. No. 280 of 2008, regs. 1, 24(b)
Ss. 58, 59, 62 certain functions of Board regarded as functions of Transmission System Operator S.I. No. 445 of 2000, regs. 1(2), 8(2)(b)
Ss. 58, 59, 62 references to "transmission system of the Board" construed as "transmission system of transmission system operator" S.I. No. 445 of 2000, reg. 25(1)(d), (e) as inserted by S.I. No. 619 of 2022, reg. 3(d)(iii)
S. 71 functions transferred and references to "Sanitary Authority" construed as references to "Irish Water" 50/2013, ss. 1(3), 6, 7(4)
S. 71 (2), (3) repealed 33/1964, s. 1, sch.
S. 72 repealed 33/1964, s. 1, sch.
S. 77 substituted 23/1999, ss. 1(2), 44
S. 78 repealed 33/1964, s. 1, sch.
S. 81 amended 33/1964, s. 1, sch.
S. 84 certain functions of Board regarded as functions of Distribution System Operator S.I. No. 280 of 2008, regs. 1, 24(b)
S. 84 certain functions of Board regarded as functions of Transmission System Operator S.I. No. 445 of 2000, regs. 1(2), 8(2)(b)
S. 84 references to "transmission system of the Board" construed as "transmission system of transmission system operator" S.I. No. 445 of 2000, reg. 25(1)(d), (e) as inserted by S.I. No. 619 of 2022, reg. 3(d)(iii)
S. 86 repealed 3/1998, s. 125, sch. 8
S. 88(4) perjury construed 13/2021, s. 4(1), schedule 1
S. 91 application extended and references to "Board" construed as references to "Commission" 23/1999, ss. 1(2), 51
S. 95 amended 31/1999, ss. 162, 163, sch. 4
  3/1998, s. 125, sch. 8
S. 96 repealed 17/1988, s. 9(1)
S. 96 reference to "local authority" construed 19/1930, s. 8
S. 98 substituted 23/1999, ss. 1(2), 45
S. 98(1) amended 1/1941, s. 5
S. 100 certain functions of Board regarded as functions of Distribution System Operator S.I. No. 280 of 2008, regs. 1, 24(b)
S. 100 certain functions of Board regarded as functions of Transmission System Operator S.I. No. 445 of 2000, regs. 1(2), 8(2)(b)
S. 100 references to "transmission system of the Board" construed as "transmission system of transmission system operator" S.I. No. 445 of 2000, reg. 25(1)(d), (e) as inserted by S.I. No. 619 of 2022, reg. 3(d)(iii)
S. 107 repealed 27/1996, ss. 1(2), 6(1), sch. 1, pt. 1
S. 108 powers extended 35/1995, s. 16(8)(b) as substituted by 3/2012, ss. 1(2), 5(8)(b)
S. 112 amended 24/1983, s. 8(1), sch. 4, pt. 1
Sch. 1 para. 1 amended subject to transitional provisions  19/1930, ss. 9(1), (2), 13, 14
Sch. 1 para. 8 amended 38/1934, s. 18(1), (2)

SIs made under the Act

SectionSIs made under the Act
S. 17(1) Shannon Works Transfer (No. 22) Order 1944 (S. I. No. 93 of 1944)
  Shannon Works Transfer (No. 21) Order 1931 (S.I. No. 89 of 1931)
  Shannon Works Transfer (No. 20) Order 1930 (S.I. No. 60 of 1930)
  Shannon Works Transfer (No. 19) Order 1930 (S.I. No. 52 of 1930)
  Shannon Works Transfer (No. 18) Order 1930 (S.I. No. 40 of 1930)
  Shannon Works Transfer (No. 17) Order 1930 (S.I. No. 35 of 1930)
  Shannon Works Transfer (No. 16) Order 1930 (S.I. No. 25 of 1930)
  Shannon Works Transfer (No. 15) Order 1930 (S.I. No. 30 of 1930)
  Shannon Works Transfer (No. 14) Order 1930 (S.I. No. 27 of 1930)
  Shannon Works Transfer (No. 13) Order 1930 (S.I. No. 17 of 1930)
  Shannon Works Transfer (No. 12) Order 1929 (S.I. No. 15 of 1930)
  Shannon Works Transfer (No. 11) Order 1929 (S.I. No. 73 of 1929)
  Shannon Works Transfer (No. 10) Order 1929 (S.I. No. 72 of 1929)
  Shannon Works Transfer (No. 9) Order 1929 (S.I. No. 71 of 1929)
  Shannon Works Transfer (No. 8) Order 1929 (S.I. No. 70 of 1929)
  Shannon Works Transfer (No. 7) Order 1929 (S.I. No. 58 of 1929)
  Shannon Works Transfer (No. 6) Order 1929 (S.I. No. 55 of 1929)
  Shannon Works Transfer (No. 5) Order 1929 (S.I. No. 53 of 1929)
  Shannon Works Transfer (No. 4) Order 1929 (S.I. No. 49 of 1929)
  Shannon Works Transfer (No. 3) Order 1929 (S.I. No. 35 of 1929)
  Shannon Works Transfer (No. 2) Order 1929 (S.I. No. 32 of 1929)
  Shannon Works Transfer (No. 1) Order 1929 (S.I. No. 13 of 1929)
S. 104 Relief From Obligation to Supply Gas (Sligo Area) Order 1968 (S.I. No. 168 of 1968)
S. 104(1) Electricity Supply (Relief of Gas Undertaker) (Tralee) Order 1939 (S.I. No. 319 of 1939)

*S. 53(5) : Invalid . Gormley v ESB [1985] I.R. 129