Ariadne's Study: Unlocking Multi-Family Homes' Solar Potential
Ariadne's latest analysis recommends smart meter rollouts and solar plant control adaptations to boost grid-friendly consumption and feed-in. The study highlights the vast, untapped potential of multi-family homes' roof areas for solar power.
Currently, only 28% of the additional solar capacity needed by 2030, as per the Renewable Energy Act, is earmarked for multi-family homes. Despite this, their roofs can accommodate up to 60.4 gigawatts of solar plants. However, high administrative hurdles, short contract terms, and complex settlement processes hinder implementation.
Researchers found that 'building and tenant power projects' can be economically viable for multi-family homes, with internal rates of return ranging from 3.6% in base scenarios to a promising 18.5% under optimal conditions. Institutes like the Technische Universität Berlin and Fachhochschule Dortmund are involved in energy-related research but lack specific focus on easing photovoltaic system integration on multi-family homes.
To unlock this potential, Ariadne suggests standardizing measurement and billing processes, simplifying regulatory requirements, and enhancing incentives for household participation. These steps can pave the way for increased solar adoption on multi-family homes, supporting Germany's renewable energy targets.
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