Eskom’s new-look solar geyser rebate hinges on tariff approval

Funding for the increased rebate through Eskom’s solar water heater (SWH) programme will be derived from the electricity tariff, as is the case with all projects under the utility’s demand-side management (DSM) programme, the utility has confirmed.


The Eskom SWH rebate is aimed at incentivising the roll-out of SWHs across the country, and is also aligned with the greater national solar water heating strategy of installing one-million SWHs by 2014, endorsed by the Department of Energy (DoE).


The utility announced on January 13 that it would be increasing the rebates for purchasers of systems that were registered under Eskom’s solar water heating programme, and that the increases were in the order of double the previous subsidies.


“We are confident that the regulatory support that we have had for our DSM programme over the last six years will continue,” Andrew Etzinger tells Engineering News, when explaining that the subsidy for consumers is derived from the electricity tariff, and that this subsidy could be adjusted from time to time, taking into account changing market factors.


“At this stage, we see the programme as necessary for the system. And so we believe that it will continue as part of the government aspiration of a million SWHs over the next five years,” Etzinger adds.


However, Eskom is still in the middle of a public hearing process, led by the National Energy Regulator of South Africa (Nersa), regard- ing an application for tariff increases of 35% a year between 2010 and 2013. The application includes a revenue requirement for DSM, but Nersa will only make a pronouncement late in February as to whether such revenue has indeed been included in the hike.


Should this be the case, the SWH subsidy will be paid for by Eskom customers, as it is a cost item for the utility recovered through the electricity tariff.  Nevertheless, news of the increased rebate from Eskom has been greeted with enthusiasm from local SWH suppliers. “This represents a turnaround in the solar water heating industry and can only have a positive effect. We look forward to an excellent year ahead,” says Sustainable Energy Society of South Africa’s SWH division chairperson,Dylan Tudor-Jones.


Other projects funded through the DSM programme include the compact fluorescent lamp exchange programme; the power alert; the energy efficient motors replacement programme; and the residential load management programme.

As the utility currently has a tariff increase application before Nersa, the DSM budget has not yet been finalised, and final targets for energy savings under the programme have also not been set.


The utility initially requested a 45%-a-year tariff increase, but this was later adjusted to a 35%-a-year increase until 2012. The adjusted application depended on a delay in the construction of the coal-fired power station Kusile, which also hinged on the increased impetus of the DSM programme to make up for the shortfall in generation capacity from the deferred plant.


Conflict of Interest?
Certain critics have suggested that the DSM programme should not be a function of the utility, as its aim is to generate and sell power, and not to advocate energy efficiency. This should rather be the function of an independent agency.

The larger one-million SWH target that has been set by the DoE will be supported by a national strategy and framework. A draft of this strategy was released for comment in November 2009, and the full strategy document was sent to the department on December 11, 2009. The strategy requires approval from the Minister and the department before it can be finalised.


Article by Christy van der Merwe, courtesy of Engineering News website


Friday, January 29th, 2010 - News

 
   
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