<prompt> Pedzisa mutsara unotevera: Mishumo yeSER inoshandiswa navanjiniya vemagetsi kuongorora kutadza kushanda kwemagetsi kukuru nokuduku. Mushure mokunge  <response>: Northeast blackout ya2003, North American Electric Reliability Corporation NERC yakatsanangura kuti magetsi emagetsi anofanirwa kuiswa nguva kusvika kumamirisekondi ari pedyo. 