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Westgate Property Solutions
Home Energy Management

Solar divert · EV charging · Monitoring · Tariff shifting

Home energy management that spends your solar before it sells it.

Energy monitoring, solar self-consumption, EV charge scheduling and tariff-aware load shifting across the East Midlands. See where it goes, then stop it going there.

Book a free site visit From £2,200 ex-VAT

Exporting solar to the grid pays a fraction of what importing costs. On most tariffs the gap is three or four to one, which makes self-consumption — using your own generation in your own house rather than selling it — the highest-return thing you can do with an existing array. The hardware is modest. The intelligence to decide what runs and when is the part that is usually missing.

Book a site visit All home automation services

What's included

  • Circuit-level energy monitoring and logging
  • Solar generation and export measurement
  • Immersion / hot water solar divert
  • EV charger integration and scheduled charging
  • Surplus-solar EV charging where the car supports it
  • Time-of-use tariff scheduling for shiftable loads
  • Battery storage integration where present
  • Consumption reporting per circuit in the app

From £2,200

ex-VAT, supplied, installed & commissioned

Circuit-level energy monitoring in the Loxone app
You cannot shift a load you have never measured.

01 · Measure first

It is never what people assume it is

Circuit-level monitoring shows what actually consumes the energy. In practice it is usually the immersion, the EV, an old chest freezer in the garage, and standing losses nobody has ever looked at.

Once that is visible the decisions get much easier and a great deal less speculative. You stop guessing which change is worth making.

  • Circuit-level monitoring and logging
  • Solar generation and export measured separately
  • Consumption reporting per circuit in the app
  • Decisions made on figures, not hunches
EV charging from surplus solar generation at home

02 · Then shift the load

Spend the generation before it gets sold

Surplus generation goes to the hot water cylinder before it goes to the grid. The EV charges on the cheap overnight window, or on surplus solar during the day if the car is home.

The heat pump runs its hot water cycle when generation peaks rather than at 6pm. On a time-of-use tariff that scheduling is worth real money without anyone changing what they do.

  • Immersion / hot water solar divert
  • Scheduled and surplus-solar EV charging
  • Time-of-use tariff scheduling for shiftable loads
  • Battery storage integration where present
Loxone app showing whole-house status at a glance

03 · Why it keeps working

Nobody has to watch a dashboard

The point of automating energy is that the savings happen whether or not anyone is paying attention.

That is precisely why manual monitoring apps stop producing savings after about three weeks — the novelty goes, the habit goes with it, and the tariff carries on regardless.

  • Decisions made by the system, not by you
  • Savings that persist past the novelty
  • Reporting there when you want it
  • No daily attention required

Why it's worth doing properly

Home Energy Management, done once and done right.

Use it instead of selling it

Export pays a fraction of what import costs. Diverting surplus to hot water is usually the fastest payback on an existing array.

Charge the car on cheap rate

Overnight windows on Go or Intelligent tariffs, or straight from surplus solar when the car is home in the day.

See the real consumers

Circuit-level logging finds the immersion, the garage freezer and the standing losses. It's rarely what people expect.

Shift, don't sacrifice

Loads move to cheaper hours rather than being given up. Nobody has to take colder showers to see the saving.

Savings without attention

It's automated, so it keeps saving in month six. Monitoring apps stop working when people stop looking at them.

Battery-ready

If you have storage we integrate it; if you're considering it, the monitoring data tells you whether it's worth the money.

Loxone Silver Partner

Certified installers, never sub-contracted

Same week

Site visit availability across the East Midlands

£0 / mo

No subscription, no cloud fees, ever

12 months

Parts and labour warranty on every install

Works best together

Related services

One Miniserver runs all of it. Most customers combine two or three of these rather than installing them as separate systems.

Smart lighting

Lighting design · Scenes · Dimming · Circadian control

Heating & climate

Zoned heating · Underfloor · Weather compensation

Pool & spa

Indoor pools · Hot tubs · Saunas · Swim spas

FAQ

Home Energy Management — common questions

What does a home energy management system actually do?
Three things: it measures consumption circuit by circuit so you can see where energy goes, it moves flexible loads to the cheapest or greenest hours, and it prioritises your own generation over grid import. The measurement alone is useful, but the saving comes from the automation — because it keeps working after everyone has stopped looking at the app.
Is solar divert worth it?
On most tariffs, yes, and it's usually the quickest win on an existing array. Export rates are typically a fraction of import rates, so every kilowatt-hour you use yourself instead of exporting is worth several times more. Diverting surplus into the hot water cylinder is the simplest version and often pays for itself inside two to three years on a well-sized system.
Do I need solar panels for this to be worth doing?
No. Without solar the value comes from monitoring and tariff shifting — moving the EV, the hot water and any other flexible load into cheap overnight windows on a time-of-use tariff. Households with an EV and a time-of-use tariff often see the strongest return of anyone, with or without panels.
Will it work with my EV charger?
Most likely. We integrate with the common OCPP-capable and API-exposed chargers, and with several manufacturer systems directly. Surplus-solar charging depends on the charger supporting variable current, which most modern units do. If your charger is a basic fixed-output unit with no control interface, we'll tell you at survey rather than promising something it can't do.
Can it work with Octopus Agile or Intelligent?
Yes. Time-of-use tariffs are exactly what load shifting is for — the system schedules flexible loads into the cheap periods automatically. Agile's half-hourly pricing gives the most scope for optimisation, though Go and Intelligent are simpler to plan around and, for most households, capture the bulk of the available saving.
How much does it cost to install?
Monitoring with solar divert typically starts around £2,200 ex-VAT. Adding EV integration, battery control and multi-circuit monitoring across a larger property usually lands between £3,500 and £7,000 ex-VAT. We'd rather quote after seeing the consumer unit and the existing kit than give a number that turns out to be wrong.
Does it need an internet connection to save money?
The control logic runs locally, so scheduling, solar divert and monitoring all continue offline. The one thing that needs a connection is fetching live half-hourly tariff pricing on something like Agile — if that's unavailable the system falls back to your configured schedule rather than doing anything unpredictable.

Where we work

Energy & EV across the East Midlands

Belper Ashbourne Buxton Chesterfield Derby Doncaster Grantham Hucknall Ilkeston Leicester Lincoln Mansfield Newark Loughborough Nottingham Matlock Rotherham Retford Sheffield Sutton-in-Ashfield Southwell Worksop Full East Midlands coverage

Next step

Thinking about energy & ev?

Free site visit, fixed written quote within 5 working days. No obligation, and no pressure — if a full system isn't right for you we'll tell you.

Book a free site visit