- Home | Subscribe | Feedback | Contact | Privacy Statement Search My TransGrid: Electricity Market Data Sydney Temperature: 22 C NSW Price: 34.08 $/MWhr NSW Demand: 7964 MW Transgrid Emergency Contacts TransGrid takes the maintenance and safety of its assets seriously. Our assets are continually monitored and our maintenance staff are on 24 hour call. TransGrid invites the public to call the 1800 ...www.tg.nsw.gov.au