Updated to 16 September 2025 (Act No. 10 of 2025 and S.I. No. 431 of 2025)
All effects below are reflected in the most recent Revised Act.
Electricity (Supply) Act 1927
No. 27 of 1927
Contents
Commencement
| Section | Commencement/Effective Date Where the commencement and effective dates differ, the effective date is shown below.
|
Commencement Information |
|---|---|---|
| Whole Act | 28 May 1927 | Commenced on enactment |
Amendments and other effects
| How Affected | Affecting 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| S. 3 repealed | 35/1958, s. 9(5) |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| S. 10 repealed | 6/1977, s. 31(a) |
| S. 11 repealed | 3/2012, ss. 1(2), 22(a) |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
| Section | SIs 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) |