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Energy consumption monitoringISO 50001CSRD / Scope 2Energy invoice verificationRenewables & flexibility
PPA contractFor a long time energy in commercial real estate was a fixed overhead, passed on to tenants and largely ignored by owners. That era is over. Energy efficiency now feeds into valuation.
We convert a BMS into an EMOS. The automation stays where it is.
Percee® does not replace the building management system and does not require new controllers, meters or cabling. It adds a layer above the existing automation that makes the decisions: when to heat, when to cool, when to charge and at what price to draw energy. The BMS executes setpoints — the EMOS decides what they should be.
How energy cost optimisation works →A building without a BMS does not have to buy one first.
Some facilities never received a management system; in others the automation is old enough that nobody maintains it any more. In that case percee® is not a layer above — it takes the place of the BMS: it collects data from meters and sensors, controls the air handling units, the heat substation and the lighting — and from the outset makes the decisions about the hour and the price of consumption, which a classic BMS does not do. The scope of work is agreed after a survey of the installation.
Commercial real estate sits at the intersection of three expectations that rarely point the same way. Energy is the point where all three meet.
A building that fails to provide it simply loses them.
Stable cash flows, low operating costs, a rising asset value.
And the rules tighten from year to year rather than loosening.
Here comfort is not a constraint to be protected while costs are cut — comfort is the product. Optimisation in an office building therefore cannot mean taking conditions away; it means stopping their delivery where nobody is present.
Offices run on fixed schedules: heating and cooling switch on at a set hour and off at another. Regardless of whether the floors are full or empty, whether the meeting room is booked or dark, whether it is a busy Tuesday or a quiet Friday afternoon.
Percee® learns occupancy patterns through integration with access control, the room booking system and presence sensors. Meeting rooms are prepared ahead of scheduled meetings and released once they end. Floors respond to actual use.
A substantial part of the savings comes from this — and it stays imperceptible to the occupants, because comfort is maintained exactly where and when people are present. Predictive control extends this to the weather: on a forecast cold morning the building heats up in time; on a mild day it never starts the cooling it does not need.
The weather forecast is only one of the parameters. Percee® also reads the energy market: when prices vary, it shifts the flexible loads — pre-heating and pre-cooling, hot water preparation, charging — into cheaper hours, and limits consumption during expensive peaks. If the building has its own PV, the same mechanism raises self-consumption: energy from the roof stays in the building instead of going to the grid at the export price.
A commercial building is shared space with divergent interests. The owner carries the cost of the common systems, tenants occupy the floor area — and if consumption is not measured for each of them, costs get divided by rough approximation.
For the tenant an opaque charge turns into something they can see and influence. For the owner a recurring source of disputes disappears, and service charge settlements become transparent and easy to defend.
An owner who buys energy wholesale and resells it to tenants stops being purely a consumer — they become an embedded DSO (an IDNO in the UK, an OSDn in Poland). It is a real revenue line, but an obligation arrives with it: the settlements have to be run in line with regulatory requirements, not on the basis of estimates or a split by floor area.
In practice that means metering every supply point, recording consumption continuously, assigning costs to a specific tenant, and documentation that holds up under inspection. Percee® provides exactly that layer: the measurement, the settlement data and the reports in the required format.
In Poland there are already centres billing their tenants under this model, with percee® as the metering and settlement layer.
Energy management is not a line in the operating budget; it is a lever on the value of the property.
A building that cannot document its efficiency is valued at a discount.
Percee® integrates with dynamic prices and moves flexible loads into cheaper hours, while demand management logic keeps consumption below the contracted capacity. After the capacity charge rose by roughly 55 percent in 2026, that second element weighs more than it did a year earlier.
Where the building has thermal mass, heat or cold storage, its own generation or energy storage, percee® uses them as flexible resources: pre-cooling or pre-heating in cheap periods, reducing load in expensive ones, and maximising self-consumption from its own renewable sources.
The effect on operating costs feeds straight into net operating income, and through it into the value of the property.
The EPBD directive requires building automation and control systems (BACS) with real control capability, not merely monitoring. Green certification has become a baseline requirement in premium real estate and for the funds that buy it.
Percee® serves large portfolios through partners implementing EPBD-compliant BACS, adding the optimisation and control layer — so the building not only meets the requirement on paper but actually runs more efficiently. Instead of a frantic data-gathering exercise once a year, reporting is a continuous by-product of operation.
That serves two audiences at once: tenants and funds who require a credible sustainability narrative, and managers who need audit-ready data for investor reporting. CSRD and Scope 2 reporting →
For owners managing many buildings, percee® gives centralised visibility together with automatic benchmarking, so a manager can compare buildings, identify the weak performers and carry proven settings from the best-run properties to the rest.
What that gives you day to day:
Standard building automation was built to hold comfort in one building. Commercial real estate needs more than that — and across an entire portfolio.
| Classic BMS | EMOS — Percee® | |
|---|---|---|
| Basis of control | a timetable | actual occupancy and the weather forecast |
| Cost allocation | by floor area | by the tenant's measured consumption |
| EPBD requirements | often monitoring alone | BACS with control, through partners |
| ESG data | gathered once a year | continuous, audit and certification ready |
| Reach | one building | the whole portfolio, with benchmarking |
No — comfort here is the product, not a cost to be cut. The saving comes from ceasing to heat and cool space where nobody is present. Where people are, conditions are maintained, and meeting rooms are prepared before the meeting rather than after it.
EPBD requires a system with real control capability and continuous oversight of efficiency, not merely a view of consumption. Percee® adds a layer above the existing automation that actually makes decisions — which turns a formal requirement into a genuinely lower operating cost.
Consumption is sub-metered per tenant and the system generates detailed reports for settlement. Costs land with those who actually generate them, and the tenant gets visibility of their own consumption profile — which for the first time gives them a reason to manage it.
Yes. The system supplies verified consumption and emissions data continuously, which serves both the energy criteria of the certifications and CSRD and Scope 2 reporting.
Energy efficiency as a documented asset with market value.
Percee® manages cost, comfort, tenant billing and compliance across the whole portfolio, acting automatically every day. The result is a portfolio that costs less to run, where tenants are comfortable and billed fairly, and where investor-grade ESG data appears on its own. In a market where efficiency affects valuation, this is not an upgrade to the installations — it is an investment in the property.
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