Kenya's government has promised electricity bills will come down thanks to new investment in geothermal energy.<br /><br />It is good news for households who previously complained of hefty bills. Hopes are also high that there will be a boost to big business.<br /><br />Al Jazeera's Erica Wood reports from Nairobi. <br />Subscribe to our channel http://bit.ly/AJSubscribe - Follow us on Twitter https://twitter.com/AJEnglish - Find us on Facebook https://www.facebook.com/aljazeera - Check our website http://www.aljazeera.com/