Why Installers Shouldn’t Fear the DNO G99 Application Process — Especially With Fast Track Click here to play our G99 video For many renewable installers, the DNO G99 application process  feels like a major hurdle. Whether you’re installing a larger solar PV system, an advanced heat pump setup, or a combined battery array, once you pass the 16A per phase threshold, you’re no longer in G98 territory — and that’s where G99 comes in. But here’s the good news: not every G99 appl