In Kano, Goethe Institut goes off-grid with solar power
I asked Frank Roger, the director of the Goethe-Institute, Kano, about their energy supply, and I’ve included parts of our conversation below. He gave me a little background about German energy politics, the Goethe-Institut, and their solar energy project, highlighting the wisdom of traditional architecture and the great possibilities of solar power to transform the […]
I asked Frank Roger, the director of the Goethe-Institute, Kano, about their energy supply, and I’ve included parts of our conversation below. He gave me a little background about German energy politics, the Goethe-Institut, and their solar energy project, highlighting the wisdom of traditional architecture and the great possibilities of solar power to transform the way electricity is experienced in Nigeria and the world. The Goethe-Institut, which has been in Lagos since 1962, focuses on “intercultural exchange and the promotion of various fields of the arts.” When they established a liason office in Kano in 2008, they were invited by the Kano State History and Culture Bureau to move into the old adobe Gidan bi Minista building, the upper floor of which was constructed in 1909. The History and Culture Bureau believes that “the basic structure of the ground floor has been around since the 16th century. It was [first] used by title holders of the emir. In 1903 when the British came to Kano, the first British minister, who was called Frederick bi Minista, resided here. He established the first arts and crafts school in Kano here, so this building has a real history of cultural activities. Later on MOPPAN [Motion Picture Practitioners Association of Nigeria] offices were here, then the copyright commission. When I came in 2008, the house was basically not used.”
“The Goethe-Institut does not pay rent but maintains the building. We renovated the whole building, the plastering, you have to do quite often, checking it after rainy season. We reconnected water supply and put on a new roof, but there was still the problem of energy supply. Even though this is not far from the government house, still the [electric] supply was very unreliable.
“The easiest way would be to buy a generator and just do it that way. But then the idea [of solar power] came up. There’s one thing about this building and the architecture. It has natural ventilation. It’s quite cool inside so you don’t really need air conditioning. Even though it’s April, it’s very comfortable inside. If you have these modern concrete buildings, you definitely need air conditioning for an office, and then it’s a bit costly when it comes to solar power. If you want to invest in solar, you first have to do a power load survey. You have to know how much you need for consumption, and according to that, then solar company will design you the system you need. That’s why you cannot just say in general what is the size or cost of a solar power system. It is individually designed according to your needs. So the idea was instead of following this generator mainstream that we look for an alternative, and since solar has a big boom in Germany, we said ‘why not?’ Kano is much more exposed to the sun than our belt in Germany with its bad weather and short days in winter. In Kano you have hours of daily sunlight. In August in the rainy season, you can expect 5-6 hours. And in March-April, up to 11 hours of sunlight, so it’s really obvious to use it. The system we have was installed by Baba Dahiru [of Dahiru Solar Technical Services Ltd], a Kano businessman. And what he always says is that solar is free, and it is true. The energy from the sun comes for free, everyday newly. Of course, first you have quite high investment costs. If you want light at night, you also have to invest in batteries, which are not so cheap. But normally it pays off after about three years.
“We cancelled our NEPA account. Basically with our solar system, we run everything in this office now. We are off grid [disconnected from PHCN], and we have a fridge, our computers, the sound system, printer, copy machine, lights, lighting for exhibition, security lights at night that all run without any problem. We did the official opening in December, but had the test run since August, and it has run [from that time] without problems. You don’t really have maintenance costs. They come from time to time to make sure the screws are still tight. The lifespan of batteries is comparable to that of a generator, so after 6-7 years they have to be renewed. But the PV, photovoltaic panels [which capture the energy from the sun] run with 90% guarantee for 10-15 years, and at 80% rate of performance from 20-25 years, which is a really long term investment.
In addition to reliable electricity, using solar energy has other benefits. “There is no pollution. We don’t contribute to global warming now. There is no noise, which is important for our programmes. Here you feel it’s a little paradise because it’s so quiet and peaceful. We have installed solar panels not only as our energy supply system but also looked at it as an educational project to spread the idea of alternatives to the oil, coal gas, fossil fuels. Even though Nigeria is at an oil peak now, there will be a time when the oil worldwide will be finished. So, it is a good idea now while you have a lot of revenue from the oil industry to look ahead and invest in future technologies.”
“There’s a lot of investment in renewable energy in Germany now. Wind power is the first, also offshore wind power stations on the North Sea, even solar, though we have bad sunlight, also hydro power, some geotherm, and biological waste.”
After the Fukushima nuclear tragedy following the earthquakes and tsunami in Japan, “it was quite a big debate in Germany. We have something like 17 nuclear power plants in Germany. The majority want to get rid of this risky technology. The people in the renewable energy industry said by 2020 they will completely replace nuclear power in Germany with renewable resources, solar, hydropower. That is like nine years from now.”