Electricity Act 1989

4 Prohibition on unlicensed supply etc. E+W+S

(1) A person who—

(a) generates electricity for the purpose of giving a supply to any premises or enabling a supply to be so given;

[F1 (b) participates in the transmission of electricity for that purpose;]

[F2 (bb) distributes electricity for that purpose;]

(c) supplies electricity to any premises, [F3 or

(d) participates in the operation of an electricity interconnector,]

shall be guilty of an offence unless he is authorised to do so by a licence F4 ... .

(2) A person guilty of an offence under this section shall be liable—

(a) on summary conviction, to a fine not exceeding the statutory maximum;

(b) on conviction on indictment, to a fine.

(3) No proceedings shall be instituted in England and Wales in respect of an offence under this section except by or on behalf of the Secretary of State or the Director.

[F5 (3A) In subsection (1)(b) above, the reference to a person who participates in the transmission of electricity is to a person who—

(a) co-ordinates, and directs, the flow of electricity onto and over a transmission system by means of which the transmission of electricity takes place, or

(b) makes available for use for the purposes of such a transmission system anything which forms part of it.

(3B) For the purposes of subsection (3A)(b), a person shall not be regarded as making something available just because he consents to its being made available by another.]

[F6 (3C) A reference in this Part to participating in the operation of an electricity interconnector is a reference to—

(a) co-ordinating and directing the flow of electricity into or through an electricity interconnector; or

(b) making such an interconnector available for use for the conveyance of electricity;

and a person is not to be regarded as participating in the transmission of electricity by reason only of activities constituting participation in the operation of an electricity interconnector.

(3D) For the purposes of subsection (3C)(b), a person shall not be regarded as making something available just because he consents to its being made available by another.

(3E) In this Part “electricity interconnector” means so much of an electric line or other electrical plant as—

(a) is situated at a place within the jurisdiction of Great Britain; and

(b) subsists wholly or primarily for the purposes of the conveyance of electricity (whether in both directions or in only one) between Great Britain and a place within the jurisdiction of another country or territory.

(3F) For the purposes of this section—

(a) a place is within the jurisdiction of Great Britain if it is in Great Britain, in the territorial sea adjacent to Great Britain or in an area designated under section 1(7) of the Continental Shelf Act 1964; and

(b) a place is within the jurisdiction of another country or territory if it is in that country or territory or in waters in relation to which authorities of that country or territory exercise jurisdiction.]

(4) In this Part, unless the context otherwise requires—

• [F7 “distribute”, in relation to electricity, means distribute by means of a distribution system, that is to say, a system which consists (wholly or mainly) of low voltage lines and electrical plant and is used for conveying electricity to any premises or to any other distribution system;]

• [F8 “generate”, in relation to electricity, means generate at a relevant place;]

• [F9 “supply”, in relation to electricity, means its supply to premises in cases where—

  (a)

  it is conveyed to the premises wholly or partly by means of a distribution system, or

  (b)

  (without being so conveyed) it is supplied to the premises from a substation to which it has been conveyed by means of a transmission system,

  but does not include its supply to premises occupied by a licence holder for the purpose of carrying on activities which he is authorised by his licence to carry on;]

• [F10 “transmission”, in relation to electricity, means transmission by means of a transmission system;

• “transmission system” means a system which—

  (a)

  consists (wholly or mainly) of high voltage lines and electrical plant, and

  (b)

  is used for conveying electricity from a generating station to a substation, from one generating station to another or from one substation to another.]

[F11 (5) In this section—

“relevant place” means a place in Great Britain, in the territorial sea adjacent to Great Britain or in a Renewable Energy Zone; and

“system” means a system the whole or a part of which is at a relevant place;

and references in this section to premises are references to premises situated at a relevant place, or at a place that is not in a Renewable Energy Zone but is in an area designated under section 1(7) of the Continental Shelf Act 1964.]

Textual Amendments

F1 S. 4(1)(b) substituted (24.8.2004 for specified purposes, 1.9.2004 in so far as not already in force) by Energy Act 2004 (c. 20), ss. 135(2), 198(2); S.I. 2004/2184, art. 2(1)(2), Sch. 1, Sch. 2

F2 S. 4(1)(bb) inserted (1.10.2001) by 2000 c. 27, s. 28(2); S.I. 2001/3266, art. 2, Sch. (subject to transitional provisions in arts. 3-20)

F3 S. 4(1)(d) and preceding word inserted (14.8.2006) by Energy Act 2004 (c. 20), ss. 145(2), 198(2); S.I. 2006/1964, art. 2, Sch.

F4 Words in s. 4(1) repealed (1.10.2001) by 2000 c. 27, s. 108, Sch. 8; S.I. 2001/3266, art. 2, Sch. (subject to transitional provisions in arts. 3-20)

F5 S. 4(3A)(3B) inserted (24.8.2004 for specified purposes, 1.9.2004 in so far as not already in force) by Energy Act 2004 (c. 20), ss. 135(3), 198(2); S.I. 2004/2184, art. 2(1)(2), Sch. 1, Sch. 2

F6 S. 4(3C)-(3F) inserted (1.12.2004) by Energy Act 2004 (c. 20), ss. 145(3), 198(2); S.I. 2004/2575, art. 2(2), Sch. 2

F7 S. 4(4): definition of “distribute” inserted (7.11.2000 for specified purposes, 20.12.2000 for further specified purposes and otherwise 1.10.2001) by 2000 c. 27, s. 28(3)(a); S.I. 2000/2974, art. 2, Sch. (subject to transitional provisions in arts. 3-12); S.I. 2000/3343, art. 2, Sch. (subject to transitional provisions in arts. 3-15) (as amended by S.I. 2001/1780, art. 2); S.I. 2001/3266, art. 2, Sch. (subject to transitional provisions in arts. 3-20)

F8 Words in s. 4(4) inserted (1.3.2005 for specified purposes, 29.7.2010 for specified purposes, 10.6.2014 in so far as not already in force) by Energy Act 2004 (c. 20), ss. 89(1), 198(2); S.I. 2005/442, art. 2(1), Sch. 1; S.I. 2010/1889, art. 2; S.I. 2014/1460, art. 2

F9 Words in s. 4(4) substituted (1.4.2006 for specified purposes, 1.4.2010 in so far as not already in force) by Energy Act 2004 (c. 20), ss. 179(1), 198(2); S.I. 2005/2965, art. 3

F10 Words in s. 4(4) substituted (24.8.2004 for specified purposes, 1.9.2004 in so far as not already in force) by Energy Act 2004 (c. 20), ss. 135(4), 198(2); S.I. 2004/2184, art. 2(1)(2), Sch. 1, Sch. 2

F11 S. 4(5) inserted (1.3.2005 for specified purposes, 29.7.2010 for specified purposes, 10.6.2014 in so far as not already in force) by Energy Act 2004 (c. 20), ss. 89(2), 198(2); S.I. 2005/442, art. 2(1), Sch. 1; S.I. 2010/1889, art. 2; S.I. 2014/1460, art. 2

Modifications etc. (not altering text)

C1 S. 4(1)(a)(c) excluded by S.I. 1990/193, art. 3(1)

C2 S. 4(1)(a) excluded (1.10.2001) by S.I. 2001/3270, art. 3(1)(a), Sch. 2 (with art. 4(1)(2))

C3 S. 4(1)(bb) excluded (1.10.2001) by S.I. 2001/3270, art. 3(1)(b), Sch. 3 (with art. 4(3)(4)) (as amended (16.8.2024) by S.I. 2024/819, art. 1(1), Sch. para. 3)

C4 S. 4(1)(c) excluded (1.10.2001) by S.I. 2001/3270, art. 3(1)(c), Sch. 4 (with art. 4(5)(8))