Ex-Hydro-Québec researcher Yuesheng Wang takes stand at his Chinese spying trial
LONGUEUIL — A former researcher with Quebec’s hydro utility has taken the stand in his trial for allegedly spying on behalf of China.
The Crown accuses Yuesheng Wang of sharing confidential research from Hydro-Québec with Chinese entities in commercializing battery technologies.
Wang has said the information he shared is open source and stems from his lengthy academic career researching sodium-ion batteries before he moved to Quebec.
The 38-year-old has pleaded not guilty to economic espionage under Canada’s Security of Information Act.
He is also on trial on four other charges filed in 2022 and 2024 under the Criminal Code.
Wang is testifying before Quebec court Judge Jean-Philippe Marcoux at the Longueuil courthouse after the Crown closed its case on Monday.
This report by The Canadian Press was first published Nov. 4, 2025.
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