The share of world electricity production taken
by renewable power generation is expected
to grow significantly by 2030, rising from today’s
share of 23% to levels between 30% and 45%
(IRENA, 2016a). This technological change
requires a recalibration in the way power systems
are planned, in order to maximise the role of
renewables in an affordable and secure manner.
Ongoing work by the International Renewable
Energy Agency (IRENA) looks at the application of
long-term modelling and planning tools in various
A previous report (IRENA, 2017) examined longterm
modelling and tools to expand variable
renewable power in emerging economies. The
present report complements that earlier work.
It considers proven processes and regulatory
practices for long-term power system planning,
drawing primarily on experiences with integrated
resource planning (IRP) from South Africa and
regulated markets in the United  States. Based
on insights from those regulated markets, the
study aims to guide power system planning
processes and regulatory actions, with particular
consideration given to ramping up solar and wind
power, over the next few years.
Ultimately, this report has two main aims:
• To identify useful regulatory practices in an
era of rapidly improving renewable energy
technologies, drawing insights primarily from US
and South African IRP processes.
• To encourage more effective power system
planning in areas of both single and multiple
IRP stands out as a valuable planning approach
because of its essential premise: consideration of
electricity needs and system development from
multiple angles. In principle, such plans set out to
provide a comprehensive and technology-neutral
assessment of both supply- and demand-side
resources. IRP may take account of the
environmental and social impacts of different
resource options. This comprehensive approach
may also be useful in appreciating the implications
of scaling up variable renewables (i.e., solar and
wind energy) in future electricity systems.

Fuente: Irena

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