Renewable & sustainable services. ITC Group offers a range of Renewable Energy and Sustainable services including Solar, Battery Storage, Ground and Air Source technologies. Find out more about our renewable & sustainable services. Get a quote. Please enable JavaScript in your browser to complete this form.Name *FirstLastPhone Number *Email *Company Name (If Applicable)AddressWhat Solar Service Are You Looking For? *Home SolarCommercial SolarAny Additional InformationGet Quote