redesign the south fa ade of this 4 story building into a modern photovoltaic fa ade replace the entire south facing wall with full black glass pv panels frameless uniform surface deep glossy black keep a clean modular grid pattern and integrate black reflective windows flush with the pv panels the rest of the building should remain in light concrete or fiber cement tones to contrast with the black fa ade add minimal led accent lighting along the corner and base and a sleek dark graphite entrance canopy style keywords bipv fa ade full black solar glass minimalist monolithic energy efficient contemporary office building premium finish render at daylight