BC Hydro report: COVID-19 leads to drop in power usage, operational challenges

Revelstoke hydro

An unprecedented drop in power demand due to COVID-19 is forcing BC Hydro to take action to avoid potential flooding risks and impacts on the environment and its infrastructure over the year, according to a press release.

The COVID-19 pandemic has had a significant impact on the economy in British Columbia, and “Demand dilemma: How BC Hydro is responding to declining load and operational challenges resulting from COVID-19” finds this has resulted in a nearly 10% drop in electricity demand. With uncertainty around how the province’s economy will recover, electricity demand could decrease by 12% or more by April 2021 — more than double the decline after the 2008 recession.

The report examines how the drop in power demand, high inflows from spring snowmelt and a limited export market have created a large surplus in BC Hydro’s system. This has created challenges for BC Hydro and the potential for its reservoirs to reach capacity. In addition, the majority of the independent power producers (IPP) it has agreements with are producing the most amount of energy at this time of year — accounting for about 29% of BC Hydro’s total generation.

To ensure the safety of the public, the environment and its system, BC Hydro is taking the following immediate measures:

Shutting down operations at some of its smaller plants to reduce generation.

Spilling water at its facilities, including 804-MW Seven Mile and 2,480-MW Revelstoke, to balance generation and the province’s electricity load in real time when needed.

Reducing generation from other sources, including invoking provisions within its contracts with some of its large IPPs to reduce power purchases during the spring.

“The COVID-19 pandemic has created an extraordinary situation with our system that we’re working to address,” said Chris O’Riley, BC Hydro president and chief executive officer. “We’re confident that through these measures, we’ll be able to avoid the public safety and environmental risks that would be created by excessive spilling at our facilities.”

Powerex — BC Hydro’s trading subsidiary — says it will export electricity to other jurisdictions.


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