NewsBatteries and cells: Whether on wheels or the grid, it’s all about chemistry and costHome battery boom and hours of free power are re-shaping how consumers use the gridRooftop PV, wind, solar and batteries bring down prices despite record demand over winter“Very disappointing”: Snowy confirms pumped hydro costs double again to a possible $25bn, hit with more delaysAustralia pre-fab solar innovator 5B lands new 70 MW order, which could grow to 2 gigawattsUse image above to link to Clean Energy Council Project tracker for Australia.