Commercial solar for healthcare & care homes.

Care homes, nursing homes, hospices and the wider healthcare estate run a building that is occupied 24 hours a day, every day. Residents are kept warm, washed and fed around the clock, so the electricity demand is steadier and flatter than almost any other commercial building. That continuous base load is what makes a solar array worth modelling here.

For an operator, two things tend to matter at once: the energy bill is a large, fixed line that never falls with occupancy, and the power has to stay on for people who depend on it. Commercial solar over 50 kWp speaks to both. It puts generation behind your meter, used by the building as it is produced, and it sits alongside the resilience measures a care setting already takes seriously.

Solar earns most when the power is used on site rather than exported, because a unit you consume offsets an expensive import unit, while a unit sent to the grid is paid far less. A care home suits that logic better than most. The load does not collapse at the weekend or empty out over the holidays the way an office or a school does. Heating circuits, hot-water cylinders, kitchens, laundries, lifts, nurse-call and monitoring systems, and increasingly air conditioning in warmer months all keep drawing through the daylight hours when the array is generating.

The result tends to be steady daytime self-consumption that carries on into the evening, so a well-sized system feeds the building rather than spilling cheaply to the grid. Where the daytime match is strong, the case is simple. Where an operator wants to push more generation into the evening and overnight load, commercial battery storage is worth looking at, and for a group running several homes a portfolio approach across the estate can lift the overall match. We say honestly which applies once we have modelled your actual demand. A larger acute or trust estate is a different scoping problem again, covered on our NHS hospitals page.

Healthcare and care sites typically take an array in the region of 50 to 250 kWp per site as an indicative band, suited to the pitched and flat roofs across a main building, extensions and any ancillary blocks. Treat that range as orientation only. It is not a quote and it carries no price. The real figure comes from the on-site survey and the PV*SOL model, sized to the roof you actually have and the load the building actually carries, which on a continuously occupied care home is often a stronger daytime base than the footprint alone would suggest.

The load shape is the case, and a care home holds it overnight. Most commercial buildings shed demand the moment the working day ends. A registered care home does the opposite. Night staff stay on shift, corridor and bedroom emergency lighting stays lit, nurse-call and falls-monitoring run continuously, fridges holding medication and the cold store for the kitchen never switch off, and the hot-water plant recovers overnight ready for the morning wash round. The result is a base load that sits high and flat rather than peaking and collapsing. As a modelling starting point we confirm in PV*SOL, not a guaranteed output, a fixed-tilt array on a typical pitched care-home roof in this region tends to model in the region of 850 to 950 kWh per installed kWp each year, against a performance ratio we test for the specific roof rather than assume. What lifts a care home above an office or a school on the same figures is how much of the generation lands on demand that is already there. The laundry runs through the day, the kitchen draws across three meal services, and in warmer months cooling and fan load rise just as generation peaks, so the summer demand sits on top of the summer yield. That gives a higher share of each generated unit self-consumed and a smaller share spilled to export, where it earns a fraction of the import price it displaces. We read that split from your half-hourly meter against the modelled generation before anything is specified, because two homes of the same bed count can return very different self-consumption once you look at when the power is actually used, and our half-hourly metering guide explains why that data is where the sizing starts.

Continuity of supply is a regulated duty here. A care home is occupied by people who depend on power for warmth, for hoists and profiling beds, for medication refrigeration and for the call systems that keep them safe. The Care Quality Commission expects a registered provider to manage the risks to safe care, and a loss of power is one of them, which is why homes hold emergency lighting to BS 5266 and, in many cases, a standby generator or uninterruptible supply for life-critical circuits. A grid-tied solar array does not replace any of that. On its own it follows the grid and drops out when the grid does, so it is not a standby supply and we never present it as one. What it can do is sit alongside the resilience the home already runs. Where an operator wants to harden the site, commercial battery storage can hold a charge for selected circuits and shift solar into the evening and overnight load, and the wider electrical design is scoped to work with, not against, the existing backup arrangements. Every install over 50 kWp sits outside the MCS scheme that covers domestic systems, so the assurance comes from the commercial engineering stack instead: design and works run under CDM 2015 with a Principal Designer and Principal Contractor appointed, wiring to BS 7671, commissioning to IEC 62446-1, a G99 connection agreed with Northern Powergrid and an RC62 fire-and-electrical compliance line through the design. That framework is what lets the works proceed safely on a building that stays fully occupied throughout, and it is why we sequence the roof works, scaffold and isolation around the daily rhythm of the home, from medication rounds to mealtimes, so residents, staff and visitors are not disrupted between the first survey and switch-on.

The finance fits because the saving does not track occupancy. An energy bill is one of the largest fixed lines a care home carries, and it does not fall when a bed sits empty. That makes the case for solar unusually readable for a care operator, because the saving lands every month against a cost that is there regardless of how full the home is, rather than rising and falling with admissions. We size to the load you genuinely draw rather than to the largest array the roof would hold, so the case rests on consumption you can stand behind rather than an inflated export figure. How the capital is carried is then a separate decision, and the route can be matched to how a single home or a group prefers to fund it: cash purchase, asset finance or a lease that spreads the cost, or a power purchase agreement where a third party owns the array and the home buys the generation at an agreed rate. A group running several homes can also treat the estate as a portfolio rather than a series of unconnected jobs, modelling each roof on its own merits while funding the rollout under one structure. Each route changes the cash profile and the tax position differently, and for a registered care business the capital allowance treatment is worth taking advice on. We do not put a payback or a return figure on this page, because any such number is modelled, not promised, and only means something once it is built on your own consumption, your own roof and your own funding route with the tax and finance position confirmed by your adviser. The honest figure and the funding route both come out of the feasibility model. Our finance options set out the capital allowance, leasing and PPA routes in full, and our is commercial solar worth it guide walks through how a defensible case is built rather than assumed.