Resources
Resources
Plain explanations of BC Hydro and FortisBC demand charges and power factor, guides to securing the protocols legacy field equipment uses, and product datasheets.
Utility tariffs
How BC Hydro demand charges work
Billing demand, rates and the monthly minimum charge for Medium and Large General Service.
Learn more How FortisBC demand charges work
Billing demand, the 40 kW threshold and the 75% rule for Commercial and Large Commercial Service.
Learn more BC Hydro power factor surcharge
The power factor requirement and the surcharge table from the Terms and Conditions.
Learn more What is a kW of peak worth?
Demand-charge arithmetic on your own figures, at current BC Hydro and FortisBC rates.
Learn more Securing DNP3 and IEC 104
IEC 60870-5-104 explained
What IEC 104 is, how its frames, timers and commands work, and how it is secured with IEC 62351-5 and TLS.
Learn more DNP3 Secure Authentication explained
How DNP3 Secure Authentication uses challenge-response and HMAC to protect critical commands, and how it relates to IEC 62351-5.
Learn more IEC 62351 explained
IEC 62351 is the security series for power system communications. Part 5 authenticates IEC 60870-5 and DNP3; part 3 profiles TLS.
Learn more See what drives your demand charge.
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