Battery technology in UPS systems – VRLA v Li-ion

Although lead-acid batteries are long-established, with a majority market share, lithium-ion is starting to pick up pace. Alex Emms, of Kohler Uninterruptible Power, compares the two technologies

Using renewables to unlock the Grid

If electric vehicles and batteries are to herald an all-electric future for homes, smart tech must be developed and tested to ensure there is always available energy to match household demand. Andy Pearson reports

Cost model – battery storage

Advances in battery technology and steep falls in prices for PVs and storage is making smart energy grids an attractive commercial proposition. Aecom’s first cost model of the year assesses the viability of batteries across a number of scenarios