Programs / Demand charges
ALWAYS ON Demand Charges & the Tariff
Not a program. Usually the largest and most reliable line in the model.
$147k – $228k per MW-year Indicative value
All provinces Jurisdiction
What it is
A demand charge is set by a single fifteen-minute interval each month, not by how much you used. In Alberta the transmission and distribution tariffs are the entire business case; elsewhere they sit underneath the programs.
Timing
No window. The saving starts at commissioning, subject to the ratchet.
Who qualifies
- Any site billed on a demand or capacity charge
- Interval data for at least twelve months
- Peaks that are short relative to the billing interval
- No program approval required
What it is worth
- AESO Rate DTS, transmission-connected: ~$167,000 – $228,000 per MW-year
- FortisAlberta Rate 61 and 63: ~$147,000 – $183,000 per MW-year
- BC and Ontario distribution demand charges stack under the programs
Watch out for
- The ratchet keeps billing on an old peak for 12 to 24 months
- Sizing from connected load rather than interval data oversizes the system
- A short, sharp peak is cheap to shave; a broad plateau is not
The architecture that suits it
P05 — Grid Smoothing & Peak Shaving
P05 // GRID + BESS
NO UPS
Grid
BESS
PCS / Inverter
DC Protection
Breaker
Switchboard
Transformer (if required)
Protection Relay
Loads
EMS / Controller
BMS
Swipe to pan →
How we help
We read your interval data, find what actually sets the peak, and size the system against it rather than against the nameplate.