Live across 1,840 buildings
Wattline connects your meters, solar and batteries, finds the waste and moves your load to the cheap hours. Most sites save 18% in their first quarter.
Harbor House, Columbus · 6 floors
Mon 07:12
Chiller 2 ran all weekend
41 h with the building empty · $1,240
Sun 22:40
Floor 4 lights left on
Switched off remotely · $86 a week
Today 02:00
Battery charged off-peak
At $0.09/kWh, used at 17:00 · saved $38
Today, so far
00:0012:0023:00
Running the estates of
How it works
We read what your building already has. An engineer visits once; everything after that happens from the control room.
Harbor House · sources
Gateway HH-01
Main meter
MPAN 12 0005 3177 · half-hourly
BMS · Trend IQ4
BACnet/IP · 214 points
Solar · 50 kW roof
SolarEdge · Modbus TCP
Battery · 120 kWh
Pairing · 3 of 4 checks
18.4%
Average saving in the first quarter
“We found $41k of waste in the first month. Half of it was a chiller running all weekend.”
1,840
Buildings run on Wattline
Savings
Harbor House on a Tuesday in October. Point at any hour to see what it drew from the grid and what that hour cost.
3 hours
For the one engineer visit we need
14 days
From signed to live, on average
$0
Hardware to buy for most buildings
31%
Of daily load moved off the peak
In the control room
Two screens your facilities team will open every morning.
Live draw against what the floor should use at this hour.
Each one says what happened, where, and what it is costing.
$2.1M
Saved for customers in 2026
“Wattline found a chiller we'd forgotten existed. It had been running every night for three years.”
9,600 t
Carbon avoided this year
Pricing
Month to month. Leave at the end of any month and keep your data.
See every kilowatt and get alerts with a price on them.
$180per building, per month
Book a site audit“Paid for itself in the second week.”
Wattline moves your load to the cheap hours for you.
$420per building, per month
Book a site audit“Our peak dropped by a quarter in a month.”
Questions
Not answered here? An engineer replies within one working day, with numbers for your building.
Book a site auditRarely. If your building has half-hourly meters and a BMS, we read those. Where a site has neither, we fit a small gateway at no cost.
No. We only shift what nobody feels: pre-cooling before arrivals, charging batteries at night, delaying EV charging by an hour or two. Comfort limits are set by your team.
Any BMS that speaks BACnet or Modbus, most solar inverters and batteries, the big EV charger brands, and half-hourly data from every UK supplier.
Against a baseline from your own last twelve months, adjusted for weather and occupancy, using the method in IPMVP Option C. Your finance team can audit every figure.
You can export everything as CSV at any time, and we keep it available for 90 days after you leave.
Send us an address. Within two days you'll have an estimate, priced by the hour, from a real engineer.
Book a site audit