Applied Materials-backed Enphase Energy is raising the money about two weeks after it filed for a $100m IPO.

Enphase Energy, a US-based developer of renewable energy equipment part-owned by the corporate venturing fund of Nasdaq-listed Applied Materials, is raising $51.5m in venture funding only weeks after it filed for an initial public offering of up to $100m.

Enphase has raised $14m of a planned $51.5m round, the company said in a regulatory filing. Should the energy company be successful in its plans, it will have raised about $160m since the beginning of 2008.

Ahead of the…