Division 35 of the UK SIC 2007 list. It holds 2 codes, listed in full below with the number of active UK companies filed under each.
On paper this is the utilities sector. On the UK register it is mostly energy project vehicles. The busiest code is 35110, production of electricity. It is full of special purpose companies that hold one asset each: a solar farm, a wind turbine, a battery storage site or a hydro scheme. Lenders prefer them separated, so each asset gets its own company. Code 35140, trade of electricity, holds licensed suppliers and power purchase intermediaries. Gas, steam and air conditioning supply codes sit here as well, with far fewer companies.
So many entries are single-asset vehicles that professional services dominate the selling. Accountants and company secretarial providers run portfolios of these vehicles. Every new one incorporated is new work, and the flow tracks renewable development closely. Legal advisers, energy asset insurers, and operations and maintenance contractors watch the same formations. Watch for a cluster of new companies sharing directors or an address. That is a developer building out a pipeline. Approach the developer once, not vehicle by vehicle. Filing deadlines land across a whole portfolio at the same time, which suits compliance services.
Use 35110, production of electricity. It is the standard for generation assets of any type, including solar, wind, hydro and battery-backed generation. Companies that buy and resell power, rather than generate it, fit 35140. Developers sometimes add a construction or project development code during the build. The company chooses freely, and can revise codes on each confirmation statement as the project moves from build to operation.
No rule says they must, but consistency helps. Each company declares its own codes at incorporation, and there is no group-level classification. Most developers standardise on 35110 for generation vehicles. Lenders, insurers and counterparties can then read the whole portfolio at a glance. If you buy a vehicle carrying an old code, align it on its next CS01 confirmation statement. No approval is involved.
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