Page 45 - 60
P. 45

mportant  changes  in  the  provision  and  con-  identifi es unnecessary barriers and distortionary
                                    sumption  of  electricity  services  are  now  un-  incentives that presently impede the effi cient evolu-
                                    derway,  driven to  a signifi cant degree  by a   tion of the power sector and provides a framework
                                    confl uence of factors affecting the distribution   that will enable an effi cient outcome regardless of
                                    side of power systems. A variety of emerging   how  technologies  or  policy  objectives  develop  in
                                 Idistributed technologies — including fl exible de-  the future. In addition, we recognize that regulatory
                                  mand, distributed generation, energy storage, and   and policy reform often proceeds incrementally and
                                  advanced  power  electronics  and  control devices   that each jurisdiction faces unique challenges and
                                  — are creating new options for the provision and   contexts. As such, we offer this framework along
                                  consumption of electricity services. At the same   with guidance on the key trade-offs regulators and
                                  time, information and communications technolo-  policy makers confront as they pursue opportuni-
                                  gies are rapidly decreasing in cost and becoming   ties for progressive improvements.
                                  ubiquitous, enabling more fl exible and effi cient   The measures identifi ed in this study could produ-
                                  consumption of electricity, improved visibility of net-  ce signifi cant cost savings. Low-cost information
                                  work use, and enhanced control of power systems.  and communications technologies and advanced
                                  These technologies are being deployed amidst se-  metering  enable more  cost-refl ective  prices and
                                  veral broad drivers of change in power systems,   charges for electricity services that can fi nally ani-
                                  including growth in the use of variable renewable     mate the “demand side” of the
                                                                                        power system and align myriad
                                  energy sources such as wind                           power system and align myriad
                                  and solar energy; efforts to                           decisions with the optimization of
                                                                                         decisions with the optimization of
                                  decarbonize  the  energy                               net social welfare. Effi cient prices
                                                                                         net social welfare. Effi cient prices
                                                                                         and charges will unlock fl exibility
                                  system as part of global                               and charges will unlock fl exibility
                                                                                         in electricity consumption and
                                  climate change mitigation                              in electricity consumption and
                                  efforts;  and  the  increasing                         appropriately value the servi-
                                                                                         appropriately value the servi-
                                  interconnectedness of elec-                             ces that distributed energy re-
                                                                                          ces that distributed energy re-
                                                                                          sources provide. To date, power
                                  tricity grids and other critical                        sources provide. To date, power
                                  infrastructure, such as com-                            systems have been designed to
                                                                                          systems have been designed to
                                                                                          meet infrequent peaks in de-
                                  munications, transportation,                            meet infrequent peaks in de-
                                  and natural gas networks.                               mand and to comply with engi-
                                                                                          mand and to comply with engi-
                                                                                          neering safety margins establi-
                                  The MIT Energy Initiative’s                             neering safety margins establi-
                                  Utility of the Future study pre-  UTILITY OF THE FUTURE  shed in an era when electricity
                                                                                           shed in an era when electricity
                                                                                           customers were largely infl exi-
                                  sents a framework for pro-  EXECUTIVE SUMMARY            customers were largely infl exi-
                                  active regulatory, policy, and   An MIT Energy Initiative response   ble and blind to the true costs
                                                                                           ble and blind to the true costs
                                  market reforms designed to   to an industry in transition  and potential benefi ts of
                                                                                           and potential benefi ts of
                                  enable the effi cient evolution of   In collaboration with IIT-Comillas  their electricity consumption
                                                                                           their electricity consumption
                                  power systems over the next
                                  power systems over the next                               or production decisions. In
                                                                                            or production decisions. In
                                  decade and beyond. The goal
                                  decade and beyond. The goal                              many cases, this has resulted
                                                                                           many cases, this has resulted
                                  is to facilitate the integration of          in costly and signifi cantly underutilized infra-
                                                                               in costly and signifi cantly underutilized infra-
                                  is to facilitate the integration of
                                  all resources, be they distributed  or centralized,   structure. Smarter consumption of electricity and,
                                  that contribute to the effi cient provision of electri-  where cost-effective, the deployment of distributed
            MIT – Massachusetts Institute   city services and other public objectives. This fra-  energy  resources,  could  deliver  billions  of  dollars
            Technology, Cambridge (MA)   mework includes a  comprehensive  and effi cient   in savings by improving the utilization of electricity
            (Photo credit: Christopher   system of market-determined prices and regulated   infrastructure.
            Harting)
                                  charges for electricity services that refl ect, as accu-  At the same time, the need for proactive reform is
                                  rately as possible, the marginal or incremental cost   clear. Customers now face unprecedented choice
                                  of providing these services; improved incentives   regarding how they get their power and how they
                                  for distribution utilities that reward cost savings,   manage their electricity consumption — regardless
                                  performance improvements, and long-term inno-  of whether they are aware of those choices or are
                                  vation; reevaluation of the power sector’s structure   acting on them today. New opportunities include
                                  to minimize confl icts of interest; and recommenda-  the ability to invest in distributed generation, smart
                                  tions for the improvement of wholesale electricity   appliances, and energy effi ciency improvements.
                                  markets. This study also offers a set of insights   At present, the vast majority of power systems
                                  about the roles of distributed energy resources, the   lack a comprehensive system of effi cient prices
                                  value of the services these resources deliver, and   and regulated charges for electricity services. As
                                  the factors most likely to determine the portfolio of   a result, some customers are making ineffi cient in-
                                  cost-effective resources, both centralized and di-  vestments and are overcompensated for the servi-
                                  stributed, in different power systems. We consider   ces that they provide to the power system. At the
                                  a diverse set of contexts and regulatory regimes,   same time, many more opportunities that could
                                  but focus mainly on North America and Europe.  deliver  greater value  are  being left  untapped  be-
                                  This study does not try to forecast the future or   cause of inadequate compensation. For example,
                                  predict which technologies will prevail. Instead, it   the combination of simple volumetric tariffs and
                                                                                 Impiantistica Italiana - Gennaio- Febbraio 2018  43
   40   41   42   43   44   45   46   47   48   49   50