Researchers are designing new technologies, from reinvented batteries to compressed air and spinning wheels, to keep energy in reserve for the lean times. The best way to avoid system failures is to install a high-quality, properly designed PV system. A regular maintenance program helps eliminate. UChicago's Shirley Meng explains the limitations of lithium-ion batteries and explores better alternatives for long-term energy storage in Knowable Magazine. Sandia National Laboratories researchers Leo Small, back right, and Erik Spoerke, back left, observe as Martha Gross, front, works in an argon. With the integration of large-scale renewable energy generation, some new problems and challenges are brought for the operation and planning of power systems with the aim of mitigating the adverse effects of integrating photovoltaic plants into the grid and safeguarding the interests of diverse.