Innovative policies and potential for replication

The council's 12-point programme for its Climate Protection Policy includes "taking into consideration climate protection, energy efficiency and solar optimisation at an early stage of all urban developments, urban land use plans, and real estate sales contracts".

Badenova finances renewable energy projects through the sale of green electricity at a special tariff, with a EUR 0.15 /kWh premium. A 10% uptake by customers choosing to support renewable projects provides a fund amounting to around EUR 0.5 M/yr. Using this fund to support renewable energy projects at up to around 10% of their capital investment cost has enabled steady development of projects to continue within the city, the latest being the planned biogas plants.

Figure 37 • Displays of solar, wind and hydro systems are evident in the front of the Freiburg

Polytechnic college, where technicians and installers are trained in renewable energy technologies

Figure 37 • Displays of solar, wind and hydro systems are evident in the front of the Freiburg

Polytechnic college, where technicians and installers are trained in renewable energy technologies

Photo credit: Ralph Sims

An internet tool to enable building owners to identify the suitability of their roofs for installing solar collectors has been developed.92 It is similar to the Osnabrück system described in Section 5. Building roofs and specific sections of them are classified as excellent, good or fair, based on the orientation and pitch of the roof. The website also provides building owners with the size of the potential suitable roof area, indicative costs of investing and installing the solar panels, and possible CO2 reduction benefits.

To also help foster the development of this low energy city, Freiburg is developing a "heat register" as a planning instrument showing heat demand and supply across the city to increase and optimise existing heat networks and cogeneration plants at all scales.

The renewable energy strategy of the city has not depended solely upon core funding. It has also resulted from the synergy created by the vision for the city's future with many stakeholders, especially those in the solar sector who are collaborating for mutual benefit. Even though this approach could be replicated by early-mover cities in other countries, it could not become common practice once renewable energy becomes main-stream.

Considerable interest in Freiburg's policy approach has been achieved. It is perceived as a "model green city" by many Asian countries with frequent visits from Japanese, South Korean, Indian and Chinese delegations. It has nine partner cities including Padua, Italy with which, through a joint subsidiary company, it will use its experience to help build the largest PV plant in Italy.

92. www.freiburg.de/freesun

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