Project 4t2 GmbH holds investments in service providers for photovoltaic power plants. The current investments include project development, professional marketplace for projects and plants as well as repowering and operations of power plants:
ProjectCircle offers development services for high quality solar power plants - worldwide.
ProjectForum operates the international and professional online marketplace for solar projects and solar power plants
ensibo is an independent service provider for Operations & Maintenance of solar power plants.