Johannesburg executive mayor Mpho Phalatse said to date South Africans across all municipalities have installed an estimated 200MW of rooftop photovoltaic (PV) systems, according to the energy regulator Nersa.
She was speaking on the first day of the Joburg Energy Indaba where the city and independent power producers (IPPs) are in conversation about the need to add alternative power to the grid.
The city plans to add 500MW of gas and solar energy to supplement coal power.
Last year the city said it was looking to add 200MW of electricity from photovoltaic farms and rooftop suppliers, 200MW of private photovoltaic electricity generation to the grid, 50MW of gas-powered electricity generation and 25MW capacity from waste in the Robinson Deep landfill site.
As an example of how this translates, a presenter at the indaba, Justin Ward, the technical manager for First National Battery, said 1MW would power 164 houses.
Phalatse said bringing independent power producers (IPPs) online would take 18-36 months.
“As wholesale electricity tariffs rise, we can expect more rooftop PV systems to be installed. This threatens to reduce the city’s energy revenues, and we are best advised to be proactive in providing alternative energy solutions for our residents.
“The adoption of storage technologies based on battery systems or other options continues to grow as they become relatively cost-effective. Small-scale embedded generation through biomass, biogas and municipal waste are areas holding great potential for creating a circular economy around waste management, but we have hardly seen investment of sizeable quantity in that space.”
Read more..........
She was speaking on the first day of the Joburg Energy Indaba where the city and independent power producers (IPPs) are in conversation about the need to add alternative power to the grid.
The city plans to add 500MW of gas and solar energy to supplement coal power.
Last year the city said it was looking to add 200MW of electricity from photovoltaic farms and rooftop suppliers, 200MW of private photovoltaic electricity generation to the grid, 50MW of gas-powered electricity generation and 25MW capacity from waste in the Robinson Deep landfill site.
As an example of how this translates, a presenter at the indaba, Justin Ward, the technical manager for First National Battery, said 1MW would power 164 houses.
Phalatse said bringing independent power producers (IPPs) online would take 18-36 months.
“As wholesale electricity tariffs rise, we can expect more rooftop PV systems to be installed. This threatens to reduce the city’s energy revenues, and we are best advised to be proactive in providing alternative energy solutions for our residents.
“The adoption of storage technologies based on battery systems or other options continues to grow as they become relatively cost-effective. Small-scale embedded generation through biomass, biogas and municipal waste are areas holding great potential for creating a circular economy around waste management, but we have hardly seen investment of sizeable quantity in that space.”
Read more..........
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