Namespaces Page Discussion. Views Read View source View history. Add links. The National Grid. Large, tall pylons, normally carrying two circuits 6 cables , interconnecting very prominent substations. The voltage which National Grid supplies to distribution networks. Also the voltage at which some larger onshore wind and solar farms supply their power to the distribution network.
Smaller pylons with 6 cables. Sometimes tall "trident"-shaped wooden poles with 3 cables. Mostly used to supply substations in sparsely-populated rural areas and in large cities. Fairly tall, obvious poles with 3 cables. Occasionally small pylons with 6 cables, often interspersed with larger poles. The most common intermediate distribution voltage. Most kV substations output 33 kV.
Smaller wind and solar plants often connect to the distribution network at 33 kV. Used for overhead railway electrification only. If a power line doesn't go to a railway traction substation, it's not 25 kV.
A final-level distribution voltage which will probably supply your small local substation before being stepped down to V. Distribution networks call these voltages "HV". Smaller poles. Multiple cables may not be obvious from aerial photography.
Often a web of lines with many branches, fed from a single substation. Standard mains voltage for direct distribution to domestic and small industrial customers V phase-to-phase is V phase-to-neutral. Also known as "LV". Shetland has a fairly large power grid, with two major fossil fuel plants and a significant amount of wind power. It is currently not connected to the GB grid, but plans for an undersea cable are being considered. The power network is similar to the rest of Scotland. Community-owned electricity company, powered by wind, solar, and hydro with battery storage and diesel backup.
Electricity network is underground. We recommend that you allow cookies. If you continue to use our website, we will assume that you are ok with us using cookies. If you want to reject cookies, or find out more about them, click here. Home Our network Network capacity map. In this section Network capacity map Capacity map glossary. Network capacity map The network capacity map provides an indication of the networks capability to connect large-scale developments to major substations.
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